{"title":"Dell PowerEdge R740 Servers","description":"\u003cp data-start=\"541\" data-end=\"893\"\u003eThe Dell PowerEdge R740 is a versatile 2U rack server built for performance, scalability, and expansion—making it a top choice for virtualization, VDI, and business-critical workloads. Powered by Intel Xeon Scalable processors, the R740 delivers the compute power needed to handle demanding applications while maintaining flexibility for future growth.\u003c\/p\u003e\n\u003cp data-start=\"895\" data-end=\"1276\"\u003eWith support for large memory capacities and multiple storage configurations—including both 2.5” (SFF) and 3.5” (LFF) drive options—the PowerEdge R740 can be tailored for a wide range of use cases. Whether you’re running virtual machines, managing databases, or deploying software-defined storage, the R740 provides the performance and scalability to keep up with your environment.\u003c\/p\u003e\n\u003cp data-start=\"1278\" data-end=\"1638\"\u003eOne of the key advantages of the Dell PowerEdge R740 is its expandability. With support for GPU accelerators, it’s well-suited for VDI environments, AI workloads, and applications that benefit from additional processing power. Combined with advanced RAID controller options like the PERC H730p and H740p, the R740 delivers both performance and data protection.\u003c\/p\u003e\n\u003cp data-start=\"1640\" data-end=\"1851\"\u003eThe Dell PowerEdge R740 also includes integrated iDRAC9 management, allowing for remote monitoring, deployment, and maintenance—helping IT teams reduce downtime and streamline operations across multiple systems.\u003c\/p\u003e\n\u003cp data-start=\"1853\" data-end=\"2107\"\u003eAt Wholesale Servers, all Dell PowerEdge R740 servers are fully tested, professionally refurbished, and built to order. Customize your configuration with the right CPUs, RAM, storage, and RAID setup to meet your exact performance and budget requirements.\u003c\/p\u003e\n\u003cp data-start=\"2109\" data-end=\"2350\"\u003eIf you’re looking for a powerful, expandable server that can handle virtualization, GPU workloads, and growing infrastructure demands, the Dell R740 is a proven and reliable solution for SMBs, enterprise environments, and advanced home labs.\u003c\/p\u003e","products":[{"product_id":"dell-poweredge-r740-8-bay-3-5-chassis","title":"Dell PowerEdge R740 8-Bay 3.5\" Drives [14th Gen]","description":"\u003cp\u003eThe R740 8-Bay 3.5\" is the LFF capacity variant of the 14th gen 2U Dell PowerEdge family. Eight 3.5\" hot-swap front bays for high-capacity NL-SAS or SATA drives, dual 1st or 2nd Generation Intel Xeon Scalable processors, 24 DDR4 DIMM slots, the full Network Daughter Card mezzanine, and up to 8 PCIe Gen3 expansion slots in the 2U envelope. This is the chassis we recommend when the workload calls for bulk capacity in a 2U footprint, the per-bay capacity is the design point (10 TB or larger drives), and 8 LFF bays is enough to carry the workload.\u003c\/p\u003e\u003cp\u003eThe 8-Bay 3.5\" is a precision pick within the R740 family. It earns its place specifically when 8 large LFF drives is the right capacity for the workload and the chassis is compute-balanced rather than storage-dense. For higher LFF bay counts the R740xd 12-Bay 3.5\" or R740xd2 24-Bay 3.5\" are the storage-dense companions in the 2U family. For SFF density and IOPS, the \u003ca href=\"\/products\/dell-poweredge-r740-16-bay-2-5-chassis\"\u003eR740 16-Bay 2.5\"\u003c\/a\u003e is the SFF flagship. For native NVMe, the R740xd 24-Bay 2.5\" NVMe variant is the right chassis; no R740 variant supports front NVMe.\u003c\/p\u003e\u003cp\u003eTo configure a build, call 1-800-778-1545 or use the quote form below. Every refurbished unit ships under our 180-day warranty with 12+ hour burn-in testing, and volume pricing starts at 5 units.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhen 8-Bay 3.5\" Is the Right Choice\u003c\/h2\u003e\u003cp\u003eThe 8-Bay LFF chassis earns its place when one of these design patterns applies: backup-target servers (Veeam repositories, Commvault MediaAgents, rsync archive endpoints) where streaming-write performance to NL-SAS is the workload and 8 large drives is enough capacity, departmental file servers carrying moderate capacity (under 150 TB raw) where 8 NL-SAS drives in RAID 6 deliver the right capacity at the right cost-per-TB, media archive nodes and cold storage in 2U where retrieval is occasional and capacity-per-bay matters, build server scratch storage where the chassis is CPU-heavy with a large local working set, and log aggregation or data warehouse staging where the I\/O pattern is sequential and the capacity is bounded.\u003c\/p\u003e\u003cp\u003eWhat does not belong on this chassis: workloads needing more than 8 LFF bays of capacity (the R740xd 12-Bay 3.5\" or R740xd2 24-Bay 3.5\" are the storage-dense answers), random-IOPS-sensitive workloads (NL-SAS 7.2K delivers 100 to 200 IOPS per drive, orders of magnitude below SSD; for performance-sensitive workloads the \u003ca href=\"\/products\/dell-poweredge-r740-16-bay-2-5-chassis\"\u003e16-Bay 2.5\"\u003c\/a\u003e with SAS SSDs is the right call), and NVMe-first storage architectures (no R740 chassis supports front NVMe). Most buyers who think they want an R740 8-Bay 3.5\" actually want either the R740xd 12-Bay 3.5\" (if capacity is the primary use case) or the R740 16-Bay 2.5\" with SSDs (if performance is the primary use case). We will tell you directly at quote time when a different chassis is the better answer.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eStorage - 8 LFF Bays (the Defining Characteristic)\u003c\/h2\u003e\u003cp\u003eEight 3.5\" hot-swap front bays on a direct-attach SAS\/SATA backplane. No SAS expander. 3.5\" drives give access to capacities that simply do not exist in 2.5\" form factor:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eNL-SAS HDDs up to 20 TB:\u003c\/strong\u003e Near-line SAS drives deliver the highest capacity available in spinning disk. Eight 16 TB drives yields 128 TB raw, eight 20 TB drives yields 160 TB raw. Dual-port connectivity for redundant path access. Sequential throughput is excellent (250 to 300 MB\/s per drive); random IOPS are modest (typically 100 to 200 IOPS per drive). The right call for archive, backup target, and sequential-read workloads.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eSATA HDDs up to 20 TB:\u003c\/strong\u003e Lower cost than NL-SAS at the same capacity. Single-port vs NL-SAS dual-port, lower sustained throughput, less suitable for multi-host shared-storage access patterns. Acceptable for backup targets and local archive where SAS dual-port redundancy is not a requirement; we recommend NL-SAS for 24\/7 production workloads where MTBF matters.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e3.5\" SAS SSDs:\u003c\/strong\u003e Rare on the secondary market; LFF SSDs exist but most modern SSD inventory is in the 2.5\" form factor. If you need SSD and LFF together, a 3.5\"-to-2.5\" adapter is possible but the R740 16-Bay 2.5\" is usually the simpler architecture.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eRAID guidance for LFF arrays:\u003c\/strong\u003e RAID 6 is the floor for any NL-SAS array on this chassis. RAID 5 is not safe on large-capacity spinning disk because rebuild times on 16 TB and 20 TB drives stretch into 24 to 36 hours under load, during which a second drive failure is statistically likely. We do not quote RAID 5 for large-capacity spinning disk arrays; if you push back on this we will document the warning and let you make the call, but our recommendation is unambiguous: RAID 6 or RAID 60 only on this chassis at production capacity tiers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNVMe note:\u003c\/strong\u003e The R740 8-Bay 3.5\" chassis does not support front NVMe, consistent with all R740 variants. For NVMe storage, the R740xd 24-Bay 2.5\" NVMe variant is the family's NVMe specialist.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBoot drive recommendation - BOSS module:\u003c\/strong\u003e Dell's Boot Optimized Storage Subsystem is a hardware-RAID 1 pair of M.2 SATA SSDs on a dedicated PCIe card. We recommend it as the standard boot device on every R740 production build. On the 8-Bay 3.5\" specifically, BOSS matters more than on the SFF variants: dedicating a 16 TB or 20 TB front bay to OS boot is an expensive trade. BOSS keeps the OS off the front bays and preserves all eight for data capacity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCapacity planning note:\u003c\/strong\u003e Eight bays with RAID 6 leaves you with approximately 6 drives of usable capacity, or 96 TB usable with 16 TB drives. RAID 60 (two RAID 6 sets striped) is the option when you want the additional fault tolerance of two failures per RAID 6 set at the cost of slightly more usable-capacity overhead. Plan for hot-spare allocation: a global hot spare on an 8-drive chassis reduces usable bays to 7, but on 16 TB+ drives the multi-day rebuild window makes hot-spare allocation a reasonable trade.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eStorage Controllers\u003c\/h2\u003e\u003cp\u003eSame Dell PERC controller family as the rest of the R740 lineup. The 8-bay LFF workload profile (large sequential writes, RAID 6 protected, sustained-read on retrieval) shapes the controller choice:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H740P (8 GB NV cache, battery-backed):\u003c\/strong\u003e Our recommendation for any configuration with meaningful write workload or production data on this chassis. Battery backup is particularly important on large-capacity spinning disk arrays where rebuild operations put sustained stress on the controller and drives simultaneously. The 8 GB cache size is well-matched to an 8-drive LFF array and helps absorb the parity calculations RAID 6 requires.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H730P (2 GB cache, battery-backed):\u003c\/strong\u003e Adequate for read-dominant workloads such as backup targets, archive retrieval, and sequential-read applications where peak write throughput is not the constraint. The 2 GB cache is workable on an 8-drive array though tighter than the H740P under sustained write load.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H730 (1 GB cache, battery-backed):\u003c\/strong\u003e The 13th-gen-era controller that Dell maintained Mini-PERC slot compatibility for on 14th gen. Appears on the secondary market frequently as a carryover from prior deployments. Viable on this chassis on read-dominant LFF workloads where write throughput is light: cache size is small for a 12-TB-plus drive array but the workload pattern of a backup target or archive tolerates it. Quote when budget is the constraint; otherwise the H730P is a small step up for a meaningful cache size increase, and the H740P is the right answer on production data with mixed write load.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHBA330 (pass-through):\u003c\/strong\u003e For software-defined storage or backup applications that manage drives directly (Veeam, Veritas, certain ZFS-based stacks). Many backup applications explicitly prefer direct drive access over hardware RAID for snapshot integrity reasons.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H330 (no cache) and S140 (software RAID):\u003c\/strong\u003e Light-workload only. Not recommended for production data on large-capacity spinning disk.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe controller mounts in a dedicated Mini-PERC slot, not a general PCIe slot, so the full PCIe slot count remains available for networking and any add-in cards regardless of controller selection.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eProcessors\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCPU options:\u003c\/strong\u003e Dual 1st Generation Intel Xeon Scalable (Skylake-SP, 2017) or 2nd Generation Intel Xeon Scalable (Cascade Lake-SP, 2019), socket LGA 3647 on the Intel C620-series (Lewisburg) chipset. Skylake and Cascade Lake are drop-in compatible on the same R740 motherboard. Up to 28 cores per CPU. The platform vocabulary matches the rest of the R740 family; the workload profile is what differs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOur SKU recommendations on this chassis:\u003c\/strong\u003e Right-sizing compute to workload matters more on this chassis than on the SFF variants. Pure backup-target or archive workloads do not need top-bin CPUs; the drives are the bottleneck, not the CPU. Intel Xeon Silver 4214R (12 cores, 2.4 GHz, 100W) or Silver 4216 (16 cores, 2.1 GHz, 100W) are our most common specs for backup-target and archive builds. Gold 5218 (16 cores, 2.3 GHz, 125W) is the right step up for departmental file servers and build-server-scratch deployments where moderate compute runs alongside the storage tier. Gold 6230 (20 cores, 2.1 GHz, 125W) is appropriate when the node runs meaningful compute workloads alongside the bulk storage. Higher core counts (Gold 6248 and above) are usually overspec on this chassis; if the workload justifies a 150W or 205W CPU, the compute-first 8-Bay 2.5\" or the high-density 16-Bay 2.5\" is usually the better chassis match.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHeatsink requirement still applies:\u003c\/strong\u003e Any CPU above 150W TDP requires Dell's high-performance heatsink kit and high-performance fan kit. Most LFF builds do not need it because the workload typically calls for Silver or low-end Gold CPUs. When the build does include a top-bin CPU (a misallocation worth flagging at quote time), the kits are mandatory regardless of chassis variant.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSingle-socket warning:\u003c\/strong\u003e A single-CPU LFF build is supported and is sometimes the right answer for pure backup-target nodes where dual-socket is overkill. With one CPU populated only 12 of the 24 DIMM slots are accessible and half the PCIe lanes are inactive, the NDC routes through the populated CPU, and several PCIe slots become unavailable. For genuine single-socket workloads (low-throughput backup, archive with light compute), this is acceptable. For nodes running compute alongside the storage, dual-socket is the right call.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eMemory\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eArchitecture:\u003c\/strong\u003e 24 DDR4 DIMM slots organized as 12 slots per CPU across 6 memory channels at 2 DIMMs per channel. Same Purley 6-channel layout as the rest of the family. Partial population is more defensible on this chassis than on the SFF variants because the most common LFF workloads (backup target, archive, departmental file server) do not consume the bandwidth that full population delivers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupported DIMM types:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eRDIMM:\u003c\/strong\u003e Standard enterprise choice. Up to 64 GB per DIMM, 1.5 TB total at full population. Most LFF builds size between 64 GB and 384 GB, well below the RDIMM ceiling.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eLRDIMM:\u003c\/strong\u003e Up to 128 GB per DIMM, 3 TB total. Rarely the right answer on this chassis; the LFF workload profile does not justify the LRDIMM premium.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eIntel Optane Persistent Memory (PMem):\u003c\/strong\u003e Cascade Lake L-series CPUs only. Not a typical LFF chassis workload pattern; if Optane is in the design, the chassis choice probably should not be the 8-Bay LFF.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNVDIMM-N:\u003c\/strong\u003e Niche; not applicable on typical LFF workloads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMemory sizing by workload:\u003c\/strong\u003e Pure backup target with Veeam or similar deduplication-aware application: 96 to 192 GB. Departmental file server: 128 to 256 GB. Build server with compute alongside storage: 256 to 512 GB. Media archive with retrieval indexing: 128 to 256 GB. Calculate memory against the actual workload, not the chassis maximum. The full-population speed-step penalty (DDR4-2666 at 2 DPC vs 2933 at 1 DPC on Gold 6200 \/ 5222) matters less here than on the compute-first chassis variants because the workloads are not memory-bandwidth-sensitive.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMixing rules:\u003c\/strong\u003e Match ranks, capacity, and timing within a channel. We do not quote mixed configurations for production builds.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eNetworking and PCIe Expansion\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eNDC options:\u003c\/strong\u003e Spinning disk sequential throughput on an 8-drive array tops out around 2 GB\/s aggregate sustained read, well below the 10 GbE saturation point. The networking requirement on this chassis is about workload pattern, not raw bandwidth:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003e4x 1 GbE:\u003c\/strong\u003e Functional for low-throughput backup or file-serving workloads at remote sites where 1 GbE is the available WAN. Acceptable in genuinely bandwidth-constrained remote contexts.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e2x 10 GbE SFP+ plus 2x 1 GbE:\u003c\/strong\u003e The baseline for most departmental file server and backup target deployments. 10 GbE for the data path, 1 GbE for management. The most common NDC on this chassis.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e4x 10 GbE SFP+:\u003c\/strong\u003e For backup targets receiving from multiple production hosts simultaneously where the link aggregation matters. The right call for Veeam repositories serving large environments.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e2x 25 GbE SFP28:\u003c\/strong\u003e Overprovisioned for most LFF workloads. Quote on request but typically a sign that the network was sized for a different chassis class.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePCIe expansion:\u003c\/strong\u003e Up to 8 PCIe Gen3 slots with both CPUs populated, depending on riser configuration. The 8-Bay LFF preserves the full riser budget structurally. Common builds: external SAS HBA for connecting to a JBOD shelf (extending the storage tier past the 8-bay limit when capacity needs grow), tape HBA for LTO backup library connection, Fibre Channel HBA for SAN-attached secondary storage replication targets, or a separated management NIC. Multi-card builds are uncommon on this chassis; the workload mix typically does not require the full PCIe budget.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eGPU Support\u003c\/h2\u003e\u003cp\u003eThe R740 2U envelope supports up to 3 double-width 300W GPUs or up to 6 single-width 150W GPUs, but GPU configurations on the 8-Bay 3.5\" are uncommon. The typical use case for this chassis is bulk storage with compute attached, not GPU compute with storage attached. Single-card GPU configurations are workable (a low-profile NVIDIA T4 alongside an 8-drive NL-SAS archive for media transcode or local analytics over archived data, for example), but multi-GPU builds on this chassis are unusual; at that point the workload is usually better matched to a different chassis.\u003c\/p\u003e\u003cp\u003eFor any GPU configuration on this chassis, we validate against Dell's thermal restriction tables at quote time. The 8-Bay 3.5\" thermal profile is different from the SFF variants because of the larger drive form factor and slightly different airflow geometry; the validated combinations are not always intuitive.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eManagement - iDRAC9 Generation\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eiDRAC9 Enterprise:\u003c\/strong\u003e Required for production deployment. Remote KVM, virtual media, predictive analytics, Group Manager for fleet-scale operations, Quick Sync 2 wireless management, and Silicon Root of Trust. iDRAC9 Express is not suitable for unattended datacenter deployment because the remote console functionality is restricted to local console access only.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSecurity baseline:\u003c\/strong\u003e Silicon Root of Trust anchors firmware verification in immutable silicon. System Lockdown mode prevents unauthorized firmware changes after deployment. TPM 2.0 module supported and recommended for any deployment subject to NIST 800-171, CMMC, FedRAMP, HIPAA, or PCI DSS compliance frameworks. Backup target servers in particular carry production data on disk; the security baseline matters as much here as on the production-data chassis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLifecycle Controller and OpenManage Enterprise:\u003c\/strong\u003e Same Dell management plane as the rest of the R740 family. Lifecycle Controller for per-chassis firmware orchestration; OpenManage Enterprise for fleet-scale firmware compliance, configuration drift detection, and warranty status tracking. OpenManage's SMART data aggregation across the fleet is genuinely useful on LFF chassis where drive lifecycle management is a recurring operational task.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003ePower and Cooling\u003c\/h2\u003e\u003cp\u003e3.5\" HDDs draw more power than 2.5\" SSDs (8 to 12W per drive at sustained load vs 2 to 4W for SSD), and spin-up current on large drives is significantly higher than steady-state. PSU sizing for this chassis accounts for both:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eLight (Silver CPUs, partial RAM, 4 NL-SAS HDDs):\u003c\/strong\u003e 2x 495W Platinum, peak draw approximately 290W\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eBalanced (Gold 5218, full RAM, 8x 16 TB NL-SAS):\u003c\/strong\u003e 2x 750W Platinum, peak draw approximately 510W\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHeavy (Gold 6230, full RAM, 8x 20 TB NL-SAS, single low-profile GPU):\u003c\/strong\u003e 2x 1100W Platinum, peak draw approximately 720W\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHot-swap redundant Dell Flex Slot PSUs in 495W Platinum, 750W Platinum, 750W Titanium, 1100W Platinum, 1600W Platinum, 2000W Platinum, and 2400W Platinum. Always spec redundant. The 2000W and 2400W tiers are typically overprovisioned for this chassis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpin-up current consideration:\u003c\/strong\u003e Large-capacity NL-SAS and SATA drives draw significantly more current at spin-up than steady state. Staggered spin-up is managed by the RAID controller and BIOS, which handles this for a single unit cleanly. For multi-unit deployments on shared PDUs, account for spin-up surge in rack power sizing. A rack of LFF servers spinning up simultaneously after a power event can trip PDU breakers. Our team includes this calculation as part of every multi-unit LFF quote, and the 495W PSU pairing is borderline for an 8-drive simultaneous spin-up; we recommend 750W or higher as the floor on any production 8-Bay LFF build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThermal:\u003c\/strong\u003e Six hot-plug redundant fans standard. LFF chassis airflow is slightly different from SFF because of the larger drive form factor; standard fan configuration is sufficient for typical NL-SAS workload thermal profiles. ASHRAE A3 (40C) extended ambient support is achievable with the high-performance fan kit but uncommon on LFF builds where ambient is usually closer to A2 in standard datacenter and backup-target deployment contexts.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003ePhysical Specs \u0026amp; Platform Notes\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e 2U rack server. Approximately 86.8mm H x 482mm W x 715mm D with bezel and standard cable management. Fits standard 1000mm-depth datacenter cabinets with cable management arm. Standard 19-inch rack mount with Dell ReadyRails II.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePCIe expansion:\u003c\/strong\u003e Up to 8 PCIe Gen3 slots with both CPUs populated, depending on riser configuration. The 8-Bay LFF preserves the full riser budget structurally. Multi-card builds are uncommon on this chassis; the workload mix typically does not need them. Riser configuration is locked at order time and not field-swappable.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eParts availability:\u003c\/strong\u003e Strong. The 8-Bay 3.5\" backplane is less common than the SFF variants in the secondary market but Dell parts coverage remains active and refurbished units are readily available. PERC controllers, NDC cards, riser kits, fan modules, and PSUs are the same as the rest of the R740 family. Large-capacity NL-SAS drives are widely available; we assess remaining drive life via SMART data on every refurbished drive before inclusion in a configuration.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eAccessories we recommend:\u003c\/strong\u003e Dell LCD bezel for the R740 2U chassis (confirm part number at quote time against your chassis revision and whether security bezel is required), Dell ReadyRails II static or sliding rails, and the Dell cable management arm. The CMA is genuinely worth the cost on LFF deployments; rear-of-rack service on a fully-cabled 2U with eight populated 3.5\" drives is meaningfully easier with the CMA installed.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePlatform notes:\u003c\/strong\u003e Boot must use BOSS on this chassis (dedicating one of eight large drives to OS is too expensive). CPU hot-plug is not supported. NDC swap requires powered-down access. Drive bays are hot-swap but rebuild times on 16 TB+ drives are measured in days, so plan for a degraded array as the steady state during any failure. RAID 5 is not safe at this drive capacity; RAID 6 or RAID 60 is the floor for production data. No mid-bay or rear-bay options on the R740 8-Bay 3.5\": unlike the R740xd, this chassis cannot be expanded with mid-drive trays or rear flex bays because the R740 chassis lacks the internal cabling routes and PSU power budget for additional drive bays.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eOur Assessment\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhere it excels:\u003c\/strong\u003e Backup target servers running Veeam, Commvault, Veritas, or rsync-style archive endpoints where streaming-write to NL-SAS is the workload and 8 large drives is enough capacity. Departmental file servers with moderate capacity needs under 150 TB raw, where 8 NL-SAS drives in RAID 6 deliver the right cost-per-TB. Media archive and cold-storage nodes where retrieval is occasional and capacity-per-bay matters more than IOPS. Build server scratch storage where the chassis is CPU-balanced with a large local working set (build caches, media transcode scratch, backup staging). Log aggregation and data warehouse staging endpoints with sequential I\/O patterns and bounded capacity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere to look instead:\u003c\/strong\u003e If you need more than 8 LFF bays of capacity, the R740xd 12-Bay 3.5\" (or R740xd2 24-Bay 3.5\" for serious bulk storage) is the right call; the R740xd is the storage-dense companion in the 2U family specifically designed for capacity-heavy deployments. If your workload is random-IOPS-sensitive (databases, virtualization, VDI), NL-SAS 7.2K delivers 100 to 200 IOPS per drive which is not enough for those workloads; the \u003ca href=\"\/products\/dell-poweredge-r740-16-bay-2-5-chassis\"\u003eR740 16-Bay 2.5\"\u003c\/a\u003e with SAS SSDs is the right chassis. If your workload is compute-first with storage on a SAN, the \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-2-5-chassis\"\u003eR740 8-Bay 2.5\"\u003c\/a\u003e is the SFF compute-first variant. If your storage architecture is NVMe-first, the R740xd 24-Bay 2.5\" NVMe variant is the right chassis. If 1U is a hard rack-density constraint and 4 LFF bays is enough, the \u003ca href=\"\/products\/r640-4-bay-chassis\"\u003eR640 4-Bay 3.5\"\u003c\/a\u003e is the 1U LFF companion.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBottom line:\u003c\/strong\u003e The 8-Bay 3.5\" is a precision pick. It earns its place when 2U is the form factor, capacity matters more than IOPS, and 8 LFF bays is enough to carry the workload. For backup targets, departmental file servers, and media archive deployments in 2U, this is the right chassis. For anything that needs more bays, more performance, or random-I\/O response, look elsewhere. We will not quote this chassis when the workload mismatch is obvious; we would rather steer the customer to the right configuration than ship hardware that disappoints in production.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhere the R740 Fits in 2026\u003c\/h2\u003e\u003cp\u003eThe R740 family is 2 to 3 generations behind current Dell production (R750 15th gen \/ R760 16th gen). The \u003ca href=\"\/products\/dell-poweredge-r740-16-bay-2-5-chassis\"\u003e16-Bay 2.5\" page\u003c\/a\u003e covers the generational ladder, support status, and the full Dell ProSupport vs third-party maintenance picture in 2026. 8-Bay 3.5\" specifically: the LFF design point is increasingly rare on newer Dell 2U platforms because the storage industry has moved capacity workloads to either high-bay-count 2U chassis like the R750xd and R760xd or to dedicated object storage platforms. The R740 8-Bay 3.5\" remains a strong cost-performance pick for the specific 8-bay LFF use case in 2026, particularly for backup-target and departmental file server deployments where 14th gen fleet standardization keeps procurement on this platform. For new greenfield deployments where capacity is the primary requirement, the R740xd 12-Bay 3.5\" or R750xd 12-Bay 3.5\" deliver more bay count per chassis and are typically the better long-term fit.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eHonest Limitations\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eOnly 8 LFF bays, no mid-bay or rear-bay options.\u003c\/strong\u003e Capacity-per-bay is high with 20 TB drives but the chassis tops out at 160 TB raw. The R740xd 12-Bay 3.5\" reaches 240 TB raw on the front bays alone plus rear-bay options. Unlike the R740xd, the R740 8-Bay 3.5\" cannot be expanded with mid-drive trays or rear flex bays because the R740 chassis lacks the internal cabling routes and PSU power budget for additional drive bays.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eLFF spinning disk is slow vs SFF SSD.\u003c\/strong\u003e 3.5\" NL-SAS delivers 100 to 200 IOPS per drive, orders of magnitude below SSD. For random-IOPS-heavy workloads (databases, virtualization, VDI), the SFF variants of the R740 are the correct choice. The LFF chassis is purpose-built for capacity, not IOPS.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eRAID 5 is not safe on large-capacity LFF.\u003c\/strong\u003e Rebuild times on 16 TB to 20 TB drives stretch into 24 to 36 hours under load. The probability of a second drive failure during a rebuild is non-trivial. We will not quote RAID 5 for large-capacity spinning disk arrays. RAID 6 or RAID 60 is the floor for production data on this chassis.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eBoot drive must use BOSS.\u003c\/strong\u003e With only eight bays, dedicating one to OS boot is too expensive when each bay can hold 16 TB or 20 TB of capacity. The BOSS module is mandatory on every serious LFF build.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eSpin-up current matters at scale.\u003c\/strong\u003e A rack of LFF servers spinning up simultaneously after a power event can trip PDU breakers. Staggered spin-up handles single-unit cases; datacenter PDU sizing must account for the surge across multiple chassis. 495W PSU pairing is borderline for an 8-drive simultaneous spin-up; we recommend 750W or higher as the floor on production 8-Bay LFF builds.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNL-SAS rebuild windows are long.\u003c\/strong\u003e 16 TB and 20 TB drive rebuilds on a degraded RAID 6 take 24 to 36 hours under load. Plan maintenance windows accordingly. This is a physics constraint of spinning disk capacity scaling, not a chassis limitation, but it affects how you operate the array.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eRefurbished spinning disk has finite life.\u003c\/strong\u003e NL-SAS and SATA HDDs have measurable hours and reallocated-sector counts that we assess on every refurbished drive via SMART data. Drives at the end of useful life are replaced or disclosed and priced accordingly. Spinning disk ages differently than SSD; you should know what you are buying.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePCIe Gen3, not Gen4.\u003c\/strong\u003e The R740 predates PCIe Gen4. For workloads where per-slot bandwidth matters, the R750 or R760 are the better long-term call.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e14th gen, not current production.\u003c\/strong\u003e Dell's current 2U production platform is the R760. The R740 represents strong refurbished value in 2026 but is not new hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eWorkload Fit\u003c\/h2\u003e\u003ctable\u003e  \u003ctr\u003e    \u003cth\u003eThis server is right for\u003c\/th\u003e    \u003cth\u003eConsider alternatives for\u003c\/th\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eBackup target servers (Veeam, Commvault)\u003c\/td\u003e    \u003ctd\u003eMore than 8 LFF bays needed (R740xd 12-Bay 3.5\")\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eDepartmental file servers (under 150 TB raw)\u003c\/td\u003e    \u003ctd\u003eRandom-IOPS-sensitive workloads (16-Bay 2.5\" SSD)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eMedia archive and cold storage in 2U\u003c\/td\u003e    \u003ctd\u003eNVMe-first storage architectures (R740xd 24-Bay NVMe)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eBuild server scratch storage\u003c\/td\u003e    \u003ctd\u003eDatabase hosts and virtualization clusters\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eLog aggregation with sequential I\/O\u003c\/td\u003e    \u003ctd\u003eCompute-first with shared storage (8-Bay 2.5\")\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eCost-per-TB optimized bulk capacity\u003c\/td\u003e    \u003ctd\u003eGreenfield deployments needing PCIe Gen4 \/ Gen5\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eWhere to Look Instead\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eNeed more than 8 LFF bays?\u003c\/strong\u003e The R740xd 12-Bay 3.5\" is the storage-dense 2U companion specifically designed for capacity-heavy deployments. It adds rear-bay and mid-bay options for up to 18 LFF total. For serious bulk storage, the R740xd2 24-Bay 3.5\" is the next step up. The 8-Bay 3.5\" is the right chassis only when 1U-equivalent compute balance with bulk storage is the design point.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNeed SSD primary storage in 2U?\u003c\/strong\u003e The \u003ca href=\"\/products\/dell-poweredge-r740-16-bay-2-5-chassis\"\u003eR740 16-Bay 2.5\"\u003c\/a\u003e is the SFF density flagship. SAS SSD or SATA SSD in a 16-bay layout is the right call for random-IOPS-sensitive workloads.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eCompute-first with SAN-backed storage?\u003c\/strong\u003e The \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-2-5-chassis\"\u003eR740 8-Bay 2.5\"\u003c\/a\u003e is the SFF compute-first variant for SQL Server consolidation, application tier, and SAN-attached virtualization hosts.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNeed NVMe?\u003c\/strong\u003e The R740xd 24-Bay 2.5\" NVMe variant is the all-NVMe specialist in the R740xd family. No R740 chassis supports front NVMe.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e1U LFF companion?\u003c\/strong\u003e The \u003ca href=\"\/products\/r640-4-bay-chassis\"\u003eR640 4-Bay 3.5\"\u003c\/a\u003e is the 1U LFF capacity outlier on the R640 platform. The right call when 1U is a hard rack-density constraint and 4 LFF bays is enough.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHPE-side equivalent?\u003c\/strong\u003e The \u003ca href=\"\/products\/hp-proliant-dl380-g10-3-5-12-bay-server\"\u003eHPE ProLiant DL380 Gen10 12-Bay 3.5\"\u003c\/a\u003e is the closest HPE LFF analog (HPE's DL380 Gen10 LFF goes to 12 bays in the 2U chassis vs the R740's 8-bay ceiling; for direct R740 8-Bay 3.5\" equivalence, the DL380 Gen10 8-LFF configuration is the closest match on the same Intel Purley platform).\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNeed PCIe Gen4 or DDR5?\u003c\/strong\u003e The R750 (15th gen) or R760 (16th gen) bring forward-generation features at appropriate price premiums.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eReady to Configure?\u003c\/h2\u003e\u003cp\u003eLFF configurations benefit from a capacity and RAID-level discussion before quoting. The right RAID level for large spinning disk has real implications for usable capacity, rebuild time, and data protection. Tell us your target capacity (TB usable, not raw), workload type (backup target, archive, departmental file server, build scratch), drive capacity preference (12 TB to 20 TB), CPU sizing relative to workload (most LFF builds run Silver or low-end Gold CPUs cleanly), NDC choice, and quantity. Our account team returns a fully validated configuration with formal pricing within 24 hours, including RAID-level sizing math, spin-up current calculation for multi-unit deployments, and confirmed drive remaining-life assessment via SMART data on the refurbished drives we ship. Every refurbished unit ships with the Wholesale Servers 180-day warranty and 12+ hour burn-in testing, and volume pricing starts at 5 units. Call 1-800-778-1545 or use the quote form below.\u003c\/p\u003e","brand":"Dell","offers":[{"title":"Default Title","offer_id":45951274877127,"sku":"BP-011934","price":1017.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/4493\/0247\/files\/server-design-lab-dell-poweredge-r740-8-bay-35-drives-945108.png?v=1765539695"},{"product_id":"dell-poweredge-r740-8-bay-2-5-chassis","title":"Dell PowerEdge R740 8-Bay 2.5\" Drives [14th Gen]","description":"\u003cp\u003eThe R740 8-Bay 2.5\" is the compute-first variant of the 14th gen 2U Dell PowerEdge family. Eight 2.5\" hot-swap front bays on a direct-attach SAS\/SATA backplane (no SAS expander), dual 1st or 2nd Generation Intel Xeon Scalable processors, 24 DDR4 DIMM slots, the full Network Daughter Card mezzanine, and up to 8 PCIe Gen3 expansion slots in the 2U envelope. This is the chassis we recommend when the workload is CPU and memory dense, when local storage is not the primary tier (data lives on a SAN, NAS, or external array), and when slightly more thermal and PCIe headroom for top-bin CPUs or GPU configurations matters more than maximum bay count.\u003c\/p\u003e\u003cp\u003eThe 8-Bay's eight-front-bay design is not a feature loss vs the 16-Bay. It is the design point. The reduced bay count maps to a simpler direct-attach backplane (no SAS expander in the cabling or firmware path) and frees power and thermal margin for the CPU and PCIe envelope. For SQL Server consolidation, application-tier servers in front of shared storage, mid-density Hyper-V or vSphere clusters with SAN-backed VM storage, and 2U GPU builds where the storage tier is centralized, this is the chassis we reach for. For higher bay counts the \u003ca href=\"\/products\/dell-poweredge-r740-16-bay-2-5-chassis\"\u003e16-Bay 2.5\"\u003c\/a\u003e is the right call; for bulk LFF capacity the \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-3-5-chassis\"\u003e8-Bay 3.5\"\u003c\/a\u003e is the LFF answer.\u003c\/p\u003e\u003cp\u003eTo configure a build, call 1-800-778-1545 or use the quote form below. Every refurbished unit ships under our 180-day warranty with 12+ hour burn-in testing, and volume pricing starts at 5 units.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhen 8-Bay 2.5\" Is the Right Choice\u003c\/h2\u003e\u003cp\u003eThe 8-Bay chassis earns its place when one of these design patterns applies: SQL Server or Oracle consolidation where per-core licensing economics drive CPU spec and bay count is a secondary concern, application-tier and middleware servers in front of centralized storage where local capacity is the OS plus application binaries only, mid-density VMware or Hyper-V hosts with primary VM storage on an external SAN or NAS, dev\/test environments where the chassis cost delta matters and bay growth is bounded, and 2U GPU builds where the PCIe slot budget and thermal envelope matter more than drive count.\u003c\/p\u003e\u003cp\u003eWhat does not belong on this chassis: workloads needing more than 8 local drives across their lifetime (the \u003ca href=\"\/products\/dell-poweredge-r740-16-bay-2-5-chassis\"\u003e16-Bay 2.5\"\u003c\/a\u003e is the right call, bay configuration is welded into the chassis and cannot be field-upgraded), vSAN OSA at production scale where the textbook 16-drive disk-group geometry is the better fit, bulk LFF capacity (the \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-3-5-chassis\"\u003e8-Bay 3.5\"\u003c\/a\u003e or the R740xd 12-Bay 3.5\" are the LFF answers), and native NVMe storage (no R740 chassis supports front NVMe; the R740xd 24-Bay 2.5\" NVMe variant is the family's NVMe specialist). We will tell you directly at quote time when a different chassis is the better answer.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eStorage - 8 2.5\" Bays (SAS\/SATA, Direct-Attach)\u003c\/h2\u003e\u003cp\u003eEight 2.5\" hot-swap front bays on a direct-attach SAS\/SATA backplane with two internal connectors back to the controller. No SAS expander in the data path, which means simpler cabling and no expander firmware in the troubleshooting chain when something goes wrong. The backplane supports the full range of SAS and SATA drives in any combination. Common storage profiles we quote on this chassis:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eSAS SSDs for production data:\u003c\/strong\u003e High endurance, dual-port connectivity, the right call for any database or transactional workload running on local storage. Eight SAS SSDs in RAID 10 or RAID 6 is a clean SQL Server or Oracle local-storage footprint.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eMixed SAS SSD plus SAS HDD:\u003c\/strong\u003e Cost-effective tiered storage where SSDs carry hot data and 10K SAS HDDs carry warm or cold data. Appropriate for application servers where the working set is small but archived data lives alongside.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eAll-SATA SSD for application volumes:\u003c\/strong\u003e Good balance of performance and cost for read-dominant application workloads where SAS premium is not justified.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eMinimal local storage with BOSS:\u003c\/strong\u003e The most common configuration on this chassis is actually fewer than eight drives populated. A SAN-backed virtualization host typically runs BOSS for ESXi boot and two or four SAS SSDs for a local datastore or scratch, leaving the remaining bays unpopulated. The 8-Bay is right-sized for that use case in a way the 16-Bay is not.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNVMe note:\u003c\/strong\u003e The R740 8-Bay 2.5\" backplane is SAS\/SATA only. There is no native front NVMe option on this chassis (this applies across the entire R740 chassis lineup, not just the 8-Bay). NVMe is possible via PCIe expansion cards in the rear slots, but if NVMe is the primary storage tier the R740xd 24-Bay 2.5\" NVMe variant is the right chassis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBoot drive recommendation - BOSS module:\u003c\/strong\u003e Dell's Boot Optimized Storage Subsystem is a hardware-RAID 1 pair of M.2 SATA SSDs on a dedicated PCIe card. We recommend it as the standard boot device on every R740 production build. On the 8-Bay specifically, BOSS matters more than on the 16-Bay: with only eight front bays, dedicating one or two to OS boot is an expensive trade. BOSS keeps the OS off the front bays and preserves all eight for data or scratch.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eStorage Controllers\u003c\/h2\u003e\u003cp\u003eSame Dell PERC controller family as the rest of the R740 lineup. On an 8-bay chassis the controller choice is slightly less load-bearing than on the 16-bay because the drive count is lower and the failure-domain is smaller, but the workload profile still drives the right choice:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H740P (8 GB NV cache, battery-backed):\u003c\/strong\u003e Production storage default for write-intensive or transactional workloads where local storage matters. The 8 GB non-volatile cache with battery backup delivers the best write latency and protects cached data through power events. Essential for SQL Server or Oracle on local SAS SSD.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H730P (2 GB cache, battery-backed):\u003c\/strong\u003e The most common controller spec on this chassis. The 2 GB cache is appropriately sized for an 8-drive array on mixed or read-heavy workloads, and the price delta vs the H740P matters when local storage is a secondary concern behind centralized SAN or NAS.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H730 (1 GB cache, battery-backed):\u003c\/strong\u003e The 13th-gen-era controller that Dell maintained Mini-PERC slot compatibility for on 14th gen. It works in this chassis and appears frequently on refurbished R740 units as a carryover from prior deployments. Viable but generally a downgrade vs the H730P or H740P on Cascade Lake workloads. Quote when budget is the constraint and write performance is not load-bearing; otherwise the H730P is a small step up for a meaningful cache size increase.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H330 (no cache):\u003c\/strong\u003e Entry-tier hardware RAID for light workloads where write performance is not a primary concern.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHBA330 (pass-through HBA):\u003c\/strong\u003e For software-defined storage stacks (vSAN, Storage Spaces Direct, Ceph). Pass-through to the OS without hardware RAID abstraction. Less common on the 8-Bay than on the 16-Bay because the SDS workloads that justify HBA pass-through usually want more drives in the disk-group geometry.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eS140 (software RAID via chipset):\u003c\/strong\u003e Dev\/test and light workloads only. Not a production storage recommendation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe controller mounts in a dedicated Mini-PERC slot, not a general PCIe slot, so the full PCIe slot count remains available for networking, HBAs, or GPUs regardless of controller selection.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eProcessors\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCPU options:\u003c\/strong\u003e Dual 1st Generation Intel Xeon Scalable (Skylake-SP, 2017) or 2nd Generation Intel Xeon Scalable (Cascade Lake-SP, 2019), socket LGA 3647 on the Intel C620-series (Lewisburg) chipset. Skylake and Cascade Lake are drop-in compatible on the same R740 motherboard. Up to 28 cores per CPU for a maximum 56 cores and 112 threads dual-socket. TDP range 85W (Bronze 3104) through 205W (Platinum 8280).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOur SKU recommendations on this chassis:\u003c\/strong\u003e The 8-Bay's compute-first positioning makes CPU selection load-bearing. For SQL Server consolidation, Gold 6248 (20 cores, 2.5 GHz base, 150W TDP) is the workhorse pick where per-core licensing economics favor the higher clock. For Oracle on the same chassis pattern, Gold 6244 (8 cores, 3.6 GHz base, 150W) is the per-core-licensed-database specialist where peak clock beats core count for licensing math. For mid-density VMware or Hyper-V with SAN-backed storage, Gold 6230 (20 cores, 2.1 GHz, 125W) is the balanced default. For top-bin compute (HPC, dense consolidation, GPU host with high CPU-side preprocessing), Gold 6248R (24 cores, 3.0 GHz, 205W) and Platinum 8280 (28 cores, 205W) deliver the peak; the 2U chassis has the thermal envelope to handle these SKUs cleanly, and the 8-Bay's reduced drive heat load gives slightly more headroom than the 16-Bay on these top-bin builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHeatsink requirement on top-bin CPUs:\u003c\/strong\u003e Any CPU above 150W TDP, including the 165W Gold 6146 \/ 6144 \/ 6244 \/ 6246 and the 205W Gold 6248R \/ 6258R \/ Platinum 8280, requires Dell's high-performance heatsink kit and high-performance fan kit. The standard heatsink will boot the system but throttle under sustained load. We specify this correctly on every high-TDP build; it is the most common configuration error we see on self-built R740 systems and the one most likely to result in a \"the server runs fine for the first hour and then performance falls off a cliff\" support call.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSingle-socket warning:\u003c\/strong\u003e A single-CPU R740 build is supported but cuts the platform in half. With one CPU populated only 12 of the 24 DIMM slots are accessible, half the PCIe lanes are inactive, the NDC routes through the populated CPU, and several PCIe slots become unavailable depending on riser configuration. Single-socket is a real option for development, lab, and lightly-used edge nodes, but it is not a cost-saving move for production. For SQL Server or Oracle on this chassis, dual-socket is the only configuration that makes per-core licensing math work cleanly.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eMemory\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eArchitecture:\u003c\/strong\u003e 24 DDR4 DIMM slots organized as 12 slots per CPU across 6 memory channels at 2 DIMMs per channel. The 6-channel layout is the Purley platform's defining memory feature. Full population at 2 DPC consistently outperforms partial population at higher clock on memory-bandwidth-sensitive workloads, which describes most of the compute-first workloads that justify this chassis (SQL Server, in-memory caching, virtualization with high VM density).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupported DIMM types:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eRDIMM (registered):\u003c\/strong\u003e Standard enterprise choice. Up to 64 GB per DIMM, 1.5 TB total at full population. Best price per gigabyte up to the 1.5 TB ceiling.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eLRDIMM (load-reduced):\u003c\/strong\u003e Up to 128 GB per DIMM, 3 TB total. The path past 1.5 TB without Optane. Common on high-density VDI builds and SQL Server consolidation hosts where 3 TB of host memory backs many concurrent VMs or large in-memory working sets.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eIntel Optane Persistent Memory (PMem):\u003c\/strong\u003e Cascade Lake L-series CPUs only (Gold 5215L, 6240L, 6248L, etc.). App Direct mode for persistent storage tier, Memory Mode for transparent capacity expansion. Up to 7.68 TB combined with LRDIMM. On a compute-first chassis the Memory Mode use case (transparent expansion of the host memory pool for high-VM-density workloads at lower cost per GB than LRDIMM) is the more common scenario.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNVDIMM-N:\u003c\/strong\u003e Niche persistent memory option, paired with RDIMM only, up to 12 modules at 16 GB each for 192 GB total. Rarely the right answer in 2026; Optane is the more common path on this platform.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMemory speed by population:\u003c\/strong\u003e DDR4-2933 on Cascade Lake Gold 6200 \/ 5222 SKUs at 1 DPC, DDR4-2666 on other Cascade Lake SKUs and at full 2 DPC population, DDR4-2666 on all Skylake SKUs. Full 24-DIMM population at 2 DPC drops effective speed to 2666 from the 2933 peak even on Gold 6200 \/ 5222 CPUs. The full-channel bandwidth advantage over partial population is measurable under virtualization and consolidation load and consistently worth the speed-step tradeoff. Partial population (for example, only 6 DIMMs per CPU at 1 DPC) leaves six channels idle and is the most common memory configuration mistake on R740 deployments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMixing rules:\u003c\/strong\u003e Match ranks, capacity, and timing within a channel. We do not quote mixed configurations for production builds; matched-set DIMMs avoid subtle stability issues and make later memory expansion straightforward.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eNetworking and PCIe Expansion\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eNetwork Daughter Card (NDC):\u003c\/strong\u003e Dell's NDC mezzanine handles primary networking and does not consume any PCIe slot. NDC options:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003e4x 1 GbE:\u003c\/strong\u003e Entry-tier. Not recommended for primary enterprise production traffic on a compute-first 2U.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e2x 10 GbE SFP+ plus 2x 1 GbE:\u003c\/strong\u003e The baseline for most compute-first builds on this chassis. 10 GbE for production traffic, 1 GbE ports available for management or backup networks.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e4x 10 GbE SFP+:\u003c\/strong\u003e For converged storage and management traffic, or for separated networks (production, vMotion, backup, management) on virtualization hosts. The common pick for SAN-attached VMware or Hyper-V hosts.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e2x 25 GbE SFP28:\u003c\/strong\u003e The right NDC for SAN-attached hosts where storage I\/O competes with application traffic on shared links, and for hosts pulling from centralized all-flash NVMe-oF or iSCSI arrays. 25 GbE is appropriate when the bottleneck moves from local storage to centralized.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePCIe expansion:\u003c\/strong\u003e Up to 8 PCIe Gen3 slots with both CPUs populated, depending on riser configuration. The 8-Bay 2.5\" chassis preserves the full PCIe slot budget structurally (no SAS expander, no rear drive assembly, no riser constraint from storage cabling). Common PCIe builds on this chassis: dual 25 GbE NIC plus dual Fibre Channel HBA for SAN attachment plus a low-profile GPU for inference, or quad 10 GbE NIC plus multi-T4 GPU for VDI clusters, or full PCIe budget allocated to GPU compute when the chassis is functioning as a 2U GPU host with SAN-backed storage.\u003c\/p\u003e\u003cp\u003eThe 8-Bay's reduced storage cabling and slightly more available power budget gives it a small but real advantage over the 16-Bay on builds where the PCIe envelope is fully populated with high-power cards.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eGPU Support\u003c\/h2\u003e\u003cp\u003eThe R740 2U envelope supports up to 3 double-width 300W GPUs (V100 PCIe, A30, T4 in double-wide form factor), up to 6 single-width 150W GPUs (T4 standard, P4, M10), or up to 4 single-width FPGAs \/ 3 double-width FPGAs. The 8-Bay 2.5\" specifically benefits from slightly more available power and thermal margin than the 16-Bay because the reduced drive count lowers baseline draw and reduces front-of-chassis heat output. On builds with multi-GPU configurations or top-bin CPU plus GPU combinations, the 8-Bay is the chassis we reach for in the R740 family.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe honest framing for 2026:\u003c\/strong\u003e Even with the slot count and the 8-Bay's slight thermal advantage, the R740 is not the platform we would recommend for serious multi-GPU AI work. Three reasons. First, the PCIe Gen3 ceiling bottlenecks modern GPUs: a current-gen H100 or L40S is throttled to roughly half its host bandwidth on Gen3 lanes vs a Gen4 or Gen5 platform. Second, Cascade Lake's age means CPU-side preprocessing, data loading, and PCIe coherency overheads are dated relative to what current ML frameworks expect. Third, sustained-load thermal headroom is finite even on the 8-Bay. The R740 8-Bay is well-suited for VDI with vGPU (T4-class cards for user sessions, where 3-T4 builds are validated on this chassis where the 16-Bay's thermal tables are tighter), video transcoding, CAD or visualization clusters, and modest inference workloads where Gen3 bandwidth is acceptable.\u003c\/p\u003e\u003cp\u003eGPU-equipped configurations require an enablement kit (auxiliary power cables, GPU brackets, riser-specific cabling). We add the kit to every R740 GPU build by default. The thermal restriction tables in the R740 Technical Guide govern the specific GPU plus CPU combinations validated for the 8-Bay; we work through that table at quote time on any borderline build.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eManagement - iDRAC9 Generation\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eiDRAC9 Enterprise:\u003c\/strong\u003e Required for production deployment. Remote KVM, virtual media, predictive analytics, Group Manager for fleet-scale operations, Quick Sync 2 wireless management, and Silicon Root of Trust. iDRAC9 Express is not suitable for unattended datacenter deployment because the remote console functionality is restricted to local console access only.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSecurity baseline:\u003c\/strong\u003e Silicon Root of Trust anchors firmware verification in immutable silicon (the Dell equivalent of HPE iLO 5's hardware-anchored trust chain). System Lockdown mode prevents unauthorized firmware changes after deployment. Cryptographically signed firmware updates and Secure Boot are standard. TPM 2.0 module supported and recommended for any deployment with NIST 800-171, CMMC, FedRAMP, HIPAA, or PCI DSS compliance framework requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLifecycle Controller:\u003c\/strong\u003e Bundled with iDRAC9. Provides BIOS and firmware update orchestration, hardware inventory reporting, and OS deployment via integrated drivers. Worth taking the time to learn on first deployment; it saves real time at every subsequent firmware refresh.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOpenManage Enterprise:\u003c\/strong\u003e The Dell fleet management plane. Integrates with iDRAC9 and Lifecycle Controller across the fleet for centralized firmware compliance, configuration drift detection, and warranty status tracking. Worth the integration effort on any fleet over 20 R740 units.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003ePower and Cooling\u003c\/h2\u003e\u003cp\u003eThe 8-Bay's reduced drive count yields slightly lower baseline power draw and slightly better thermal headroom vs the 16-Bay. PSU recommendations specific to this chassis:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eLight (Silver CPUs, partial RAM, 4 SSDs, no GPU):\u003c\/strong\u003e 2x 495W Platinum, peak draw approximately 250W\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eBalanced (Gold 6230, full RAM, 8 SAS SSDs, no GPU):\u003c\/strong\u003e 2x 750W Platinum, peak draw approximately 440W\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eSQL Server consolidation (Gold 6248, 768 GB LRDIMM, 8 SAS SSDs):\u003c\/strong\u003e 2x 750W Platinum or 2x 1100W Platinum, peak draw approximately 530W\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHeavy (Gold 6248R, full RAM, 8 SSDs, single T4 GPU):\u003c\/strong\u003e 2x 1100W Platinum, peak draw approximately 700W\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eMulti-GPU (Gold 6248R, full RAM, minimal storage, 3x double-width 300W GPUs):\u003c\/strong\u003e 2x 1600W Platinum or 2x 2000W Platinum for headroom\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHot-swap redundant Dell Flex Slot PSUs in 495W Platinum, 750W Platinum, 750W Titanium, 1100W Platinum, 1600W Platinum, 2000W Platinum, and 2400W Platinum. The 2000W and 2400W tiers are specific to the R740 2U platform and exist primarily for multi-GPU configurations. Always spec redundant.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOn efficiency tier:\u003c\/strong\u003e 750W Titanium-rated PSUs are worth the modest premium for large multi-unit deployments. Efficiency savings at scale add up quickly, and a PSU running at 50 percent capacity runs cooler and lasts longer than one running at 90 percent. When in doubt on sizing, size up.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThermal:\u003c\/strong\u003e Six hot-plug redundant fans standard. The 8-Bay's reduced drive count lowers front-of-chassis heat output vs the 16-Bay, which translates to slightly more thermal margin on top-bin CPU and multi-GPU configurations. ASHRAE A3 (40C) extended ambient support with the high-performance fan kit on most configurations, and the operating margin on this chassis is more generous than on the 16-Bay under identical CPU and memory loads.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003ePhysical Specs \u0026amp; Platform Notes\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e 2U rack server. Approximately 86.8mm H x 482mm W x 715mm D with bezel and standard cable management. Fits standard 1000mm-depth datacenter cabinets with cable management arm. Standard 19-inch rack mount with Dell ReadyRails II.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePCIe expansion:\u003c\/strong\u003e Up to 8 PCIe Gen3 slots with both CPUs populated, depending on riser configuration. The 8-Bay 2.5\" preserves the full riser budget structurally; the reduced storage cabling complexity means no slots are consumed by SAS expander connections. Riser configuration is locked at order time and not field-swappable without chassis disassembly; we confirm the right riser against your PCIe card list at quote time.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eParts availability:\u003c\/strong\u003e Excellent. The R740 is one of the highest-volume Dell PowerEdge platforms ever shipped. The 8-Bay 2.5\" backplane is one of the most common variants. PERC controllers, NDC cards, riser kits, backplanes, fan modules, and PSUs are all readily available in the secondary market, and Dell ProSupport parts coverage remains active on most R740 service contracts in 2026.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eAccessories we recommend:\u003c\/strong\u003e Dell LCD bezel for the R740 2U chassis (confirm part number at quote time against your chassis revision and whether security bezel is required), Dell ReadyRails II static or sliding rails, and the Dell cable management arm. The CMA is genuinely worth the cost on production deployments; rear-of-rack service on a fully-cabled 2U is meaningfully easier with it installed.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePlatform notes:\u003c\/strong\u003e CPU hot-plug is not supported (system must be powered down for CPU replacement). NDC swap requires powered-down access. Bay configuration is welded into the chassis: an 8-Bay R740 cannot be field-upgraded to a 16-Bay R740 because the drive cage is part of the physical chassis; if you anticipate growth past 8 bays, buy the 16-Bay now. BIOS NVMe bifurcation settings must be configured correctly if NVMe expansion cards are added to the rear PCIe slots. Thermal restriction tables in the R740 Technical Guide govern any top-bin CPU plus multi-GPU deployment; the 8-Bay's tables are slightly more permissive than the 16-Bay's under the same CPU and GPU combination.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eOur Assessment\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhere it excels:\u003c\/strong\u003e SQL Server and Oracle consolidation hosts where per-core licensing drives CPU spec and 8 bays of local SAS SSD is the right storage footprint. Application-tier and middleware servers in front of centralized SAN, NAS, or object storage where local capacity is the OS plus binaries only. Mid-density vSphere or Hyper-V hosts with primary VM storage on an external array. 2U GPU builds where the slightly better thermal margin vs the 16-Bay matters for top-bin CPU plus multi-GPU combinations. VDI clusters where T4-class vGPU acceleration is the design point and shared storage carries the user profiles. Dev\/test environments where the chassis cost delta vs 16-Bay materially affects the budget and bay growth is bounded.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere to look instead:\u003c\/strong\u003e If you need more than 8 bays of local storage, the \u003ca href=\"\/products\/dell-poweredge-r740-16-bay-2-5-chassis\"\u003eR740 16-Bay 2.5\"\u003c\/a\u003e is the right call. Bay configuration is welded into the chassis and cannot be field-upgraded; buy the right bay count up front. If you need vSAN OSA at production scale, the 16-Bay disk-group geometry is the textbook config. If your storage tier is bulk LFF capacity, the \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-3-5-chassis\"\u003eR740 8-Bay 3.5\"\u003c\/a\u003e is the LFF answer in the same chassis, or the R740xd 12-Bay 3.5\" for higher LFF counts. If your storage architecture is NVMe-first, the R740xd 24-Bay 2.5\" NVMe variant is the right chassis. If your workload needs serious multi-GPU AI compute or PCIe Gen4 bandwidth, step up to the R750 (15th gen) or R760 (16th gen). If 1U is a hard rack-density constraint, the \u003ca href=\"\/products\/dell-poweredge-r640-8-bay-build-your-own\"\u003eR640 8-Bay 2.5\"\u003c\/a\u003e is the 1U companion with the same compute-first positioning.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBottom line:\u003c\/strong\u003e The 8-Bay 2.5\" is the R740 we recommend for compute-first builds where local storage is not the design constraint. A senior IT technician building a 14th gen Dell 2U for SQL Server consolidation, application-tier serving in front of a SAN, mid-density virtualization with shared storage, or a 2U GPU host lands on this chassis when bay count is not the constraint and the workload either benefits from the simpler cabling, the slight thermal advantage on top-bin CPU plus GPU, or the lower chassis cost delta vs the 16-Bay. The other R740 variants exist because there are real workloads where more drives or LFF capacity is the better answer, but for \"compute density in 2U with storage handled elsewhere,\" this is the build.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhere the R740 Fits in 2026\u003c\/h2\u003e\u003cp\u003eThe R740 family is 2 to 3 generations behind current Dell production (R750 15th gen \/ R760 16th gen). The \u003ca href=\"\/products\/dell-poweredge-r740-16-bay-2-5-chassis\"\u003e16-Bay 2.5\" page\u003c\/a\u003e covers the generational ladder, support status, and the full Dell ProSupport vs third-party maintenance picture in 2026. 8-Bay-specifically: this chassis variant carries forward into the R750 and R760 with the same compute-first design point, so the migration path is straightforward when the workload eventually justifies the platform refresh. For 2026 procurement, the 8-Bay 2.5\" earns its place when 14th gen fleet standardization, budget, or vendor certification keeps the workload on R740 hardware. The price delta vs R750 or R760 (typically $2,000 to $4,500 per unit on the secondary market for comparable configurations) materially changes the deployment math on SQL Server consolidation fleets and VDI clusters where the per-unit cost compounds across the deployment.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eHonest Limitations\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eBay configuration is welded into the chassis.\u003c\/strong\u003e An 8-Bay R740 cannot be field-upgraded to a 16-Bay R740 by adding a backplane; the drive cage is part of the physical chassis. If you anticipate growth past 8 bays, buy the 16-Bay now. This is the single most consequential procurement consideration on the 8-Bay.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eSAS\/SATA backplane only, no front NVMe.\u003c\/strong\u003e The R740 chassis family does not support front NVMe on any variant, including this one. For NVMe-first storage, the R740xd 24-Bay 2.5\" NVMe variant is the right chassis.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e8 bays caps software-defined storage geometry.\u003c\/strong\u003e vSAN OSA technically supports 8-disk hosts but the textbook config is more disks per host for cache plus capacity tier balance. For SDS at production scale, the 16-Bay is the right chassis.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePCIe Gen3 ceiling.\u003c\/strong\u003e All slots and all backplane lanes are PCIe 3.0. Workloads that would saturate Gen3 (high-end NVMe arrays, 100 GbE adapters at line rate, modern accelerator cards) will be bottlenecked. The upgrade path is the R750 (15th gen, Gen4) or R760 (16th gen, Gen5).\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eMemory speed drops at 2 DPC on Cascade Lake.\u003c\/strong\u003e Full 24-DIMM population drops effective speed to DDR4-2666 from the 2933 MT\/s peak on Gold 6200 \/ 5222 SKUs. The full-channel bandwidth gain consistently outperforms half the channels at higher clock for memory-bound workloads.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHigh-TDP CPUs require performance heatsinks.\u003c\/strong\u003e Any CPU above 150W TDP, including 165W and 205W SKUs, needs the high-performance heatsink kit and high-performance fan kit. The 8-Bay's slight thermal advantage does not eliminate this requirement; the kit threshold is the same as the 16-Bay.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eGPU effectiveness is bandwidth-limited, not slot-limited.\u003c\/strong\u003e The chassis supports up to 3 double-width 300W GPUs, but PCIe Gen3 lanes throttle current-gen GPUs (H100, L40S, A100) to roughly half their potential host bandwidth vs Gen4 or Gen5 platforms. For VDI with T4-class GPUs the Gen3 ceiling is not a problem; for serious multi-GPU AI compute it is.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e14th gen, not current production.\u003c\/strong\u003e Dell's current 2U production platform is the R760. The R740 represents strong refurbished value in 2026 but is not new hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eWorkload Fit\u003c\/h2\u003e\u003ctable\u003e  \u003ctr\u003e    \u003cth\u003eThis server is right for\u003c\/th\u003e    \u003cth\u003eConsider alternatives for\u003c\/th\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eSQL Server \/ Oracle consolidation (per-core licensing)\u003c\/td\u003e    \u003ctd\u003eWorkloads needing more than 8 local drives (16-Bay)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eApplication tier servers with SAN-backed storage\u003c\/td\u003e    \u003ctd\u003evSAN OSA at production scale (16-Bay disk-group geometry)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eMid-density vSphere \/ Hyper-V with external storage\u003c\/td\u003e    \u003ctd\u003eBulk LFF capacity workloads (8-Bay 3.5\" or R740xd 12-Bay)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003e2U GPU builds with shared storage\u003c\/td\u003e    \u003ctd\u003eNative front-bay NVMe (R740xd 24-Bay NVMe)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eVDI clusters with T4-class vGPU acceleration\u003c\/td\u003e    \u003ctd\u003eSerious multi-GPU AI training (PCIe Gen3 ceiling)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eDev\/test environments with bounded bay growth\u003c\/td\u003e    \u003ctd\u003eGreenfield deployments needing DDR5 \/ PCIe Gen5 (R760)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eWhere to Look Instead\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eNeed more than 8 local drives?\u003c\/strong\u003e The \u003ca href=\"\/products\/dell-poweredge-r740-16-bay-2-5-chassis\"\u003eR740 16-Bay 2.5\"\u003c\/a\u003e doubles the front bay count via SAS expander. The textbook config for vSAN OSA and high-density local-storage builds. Bay configuration is welded into the chassis, so buy the right bay count up front.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eBulk LFF capacity in 2U?\u003c\/strong\u003e The \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-3-5-chassis\"\u003eR740 8-Bay 3.5\"\u003c\/a\u003e takes eight 3.5\" hot-swap LFF drives for high-capacity spinning disk builds in the same chassis. For higher LFF bay counts, the R740xd 12-Bay 3.5\" is the storage-dense step up.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNative NVMe across front bays?\u003c\/strong\u003e The R740xd 24-Bay 2.5\" NVMe variant is the all-NVMe specialist in the R740xd family. No R740 chassis supports front NVMe.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e1U companion with the same compute-first positioning?\u003c\/strong\u003e The \u003ca href=\"\/products\/dell-poweredge-r640-8-bay-build-your-own\"\u003eR640 8-Bay 2.5\"\u003c\/a\u003e is the 1U compute-first companion on the same Intel Purley platform. Same CPU family, same memory architecture, half the PCIe budget.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHPE-side equivalent?\u003c\/strong\u003e The HPE ProLiant DL380 Gen10 8-Bay 2.5\" is the direct counterpart on the same Intel Purley platform. The \u003ca href=\"\/products\/dl380-g10-2-5-16-bay-server\"\u003eDL380 Gen10 16-Bay 2.5\"\u003c\/a\u003e is the high-bay HPE companion.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNeed PCIe Gen4 NVMe or DDR4-3200?\u003c\/strong\u003e The R750 (15th gen, Ice Lake-SP) brings PCIe Gen4, DDR4-3200, 32 DIMM slots, and 3rd Gen Xeon Scalable up to 40 cores per socket.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNeed current-generation Dell support and DDR5?\u003c\/strong\u003e The R760 (16th gen, Sapphire Rapids \/ Emerald Rapids) is the current production 2U platform with DDR5 at 5600 MT\/s, PCIe Gen5, and up to 64 cores per socket on Emerald Rapids.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eReady to Configure?\u003c\/h2\u003e\u003cp\u003eTell us your workload (SQL Server consolidation, application tier, mid-density virtualization, 2U GPU host), target CPU class and per-core licensing context if applicable, target memory footprint, local storage configuration (typically 2 to 8 SAS SSDs plus BOSS), NDC choice (10 GbE or 25 GbE), PCIe card list for riser confirmation, and quantity. Our account team returns a fully specced build with formal pricing within 24 hours, including thermal validation on high-TDP CPU configurations (where this chassis's slight airflow advantage vs the 16-Bay is most relevant) and PCIe slot allocation across NIC, HBA, GPU, and any add-in cards. Every refurbished unit ships with the Wholesale Servers 180-day warranty and 12+ hour burn-in testing, and volume pricing starts at 5 units. Call 1-800-778-1545 or use the quote form below.\u003c\/p\u003e","brand":"Dell","offers":[{"title":"Default Title","offer_id":45951274909895,"sku":"BP-011930","price":612.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/4493\/0247\/files\/server-design-lab-dell-poweredge-r740-8-bay-25-drives-119288.png?v=1765539704"},{"product_id":"dell-poweredge-r740-16-bay-2-5-chassis","title":"Dell PowerEdge R740 16-Bay 2.5\" Drives [14th Gen]","description":"\u003cp\u003eThe R740 16-Bay 2.5\" is the configuration we treat as the default 2U Dell PowerEdge build for general enterprise production. Sixteen 2.5\" hot-swap front bays on a SAS\/SATA backplane with SAS expander, dual 1st or 2nd Generation Intel Xeon Scalable processors, 24 DDR4 DIMM slots, the full Network Daughter Card mezzanine, and up to 8 PCIe Gen3 expansion slots in the 2U envelope. This is the chassis we recommend when the workload calls for high-density SFF storage, a generous PCIe slot budget, and meaningful GPU or accelerator capacity in a Dell 2U.\u003c\/p\u003e\u003cp\u003eThe 16-Bay 2.5\" is the primary R740 build on the site and the one customers reach for most often when the workload needs more than the R640 1U envelope delivers. The other R740 variants exist for specific design points: the \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-2-5-chassis\"\u003e8-Bay 2.5\"\u003c\/a\u003e trades drive count for simpler cabling and slightly better thermal and PCIe headroom on top-bin CPU plus GPU builds, and the \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-3-5-chassis\"\u003e8-Bay 3.5\"\u003c\/a\u003e swaps SFF for LFF when bulk capacity matters more than IOPS. For storage-dense builds beyond 16 bays the R740xd family is the right step.\u003c\/p\u003e\u003cp\u003eTo configure a build, call 1-800-778-1545 or use the quote form below. Every refurbished unit ships under our 180-day warranty with 12+ hour burn-in testing, and volume pricing starts at 5 units.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhere the R740 16-Bay 2.5\" Fits in the Family\u003c\/h2\u003e\u003cp\u003eThe R740 is Dell's 14th gen 2U dual-socket mainstream platform, the direct counterpart of the HPE ProLiant DL380 Gen10 on the Intel Purley platform. Across the R740 family, the three chassis variants we stock are differentiated by front-bay configuration. The 16-Bay 2.5\" is the high-density SFF flagship: sixteen front bays, the full 8-slot PCIe Gen3 expansion budget, multi-GPU and FPGA support up to the chassis envelope, and the platform's full storage controller flexibility.\u003c\/p\u003e\u003cp\u003eThe \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-2-5-chassis\"\u003e8-Bay 2.5\"\u003c\/a\u003e drops to eight front bays with no SAS expander, which simplifies cabling and gives slightly more thermal and PCIe headroom for top-bin CPU plus GPU builds where storage count is not the constraint. The \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-3-5-chassis\"\u003e8-Bay 3.5\"\u003c\/a\u003e swaps the SFF backplane for eight LFF bays, the right call for bulk capacity in 2U. For storage-dense deployments past 16 bays, the R740xd family (12-Bay 3.5\", 24-Bay 2.5\", 24-Bay NVMe) is the next step.\u003c\/p\u003e\u003cp\u003eThis is the HPE counterpart to the \u003ca href=\"\/products\/dl380-g10-2-5-16-bay-server\"\u003eHPE ProLiant DL380 Gen10 16-Bay 2.5\"\u003c\/a\u003e: 2U dual-socket Purley, same generation, same workload positioning, equivalent feature set. If you cross-shop HPE and Dell, the two platforms are direct equivalents for the same set of decisions. The choice usually comes down to existing fleet standardization (iDRAC9 vs iLO 5, OpenManage vs HPE OneView) rather than platform capability.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eStorage - 16 2.5\" Bays\u003c\/h2\u003e\u003cp\u003eSixteen 2.5\" hot-swap front bays on a SAS\/SATA backplane with integrated SAS expander. The expander is what lets a single PERC controller address all sixteen bays without consuming additional controller slots, and it is a meaningful architectural advantage over the 8-Bay backplane on this chassis. The backplane supports the full range of SAS and SATA drives in any combination. Common storage profiles we quote:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eAll-SAS SSD:\u003c\/strong\u003e High-endurance dual-port storage for converged workloads running databases and applications on local storage. SAS SSDs deliver better write endurance and dual-path reliability than SATA equivalents in sustained-write environments.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eMixed SAS HDD plus SATA SSD:\u003c\/strong\u003e Cost-effective tiered storage. SSDs for hot data and OS-adjacent volumes, 10K SAS HDDs for warm or cold data. Appropriate for file servers, virtualization hosts with mixed VM profiles, and general application workloads.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eAll-SATA SSD:\u003c\/strong\u003e Good balance of performance and cost for read-dominant workloads. Lower endurance than SAS SSD but adequate for most enterprise application serving scenarios at 16-bay scale.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003evSAN OSA disk groups:\u003c\/strong\u003e The 16-bay layout is a textbook vSAN OSA node geometry: split across multiple disk groups with a cache-tier SSD plus capacity-tier SSDs in each group. Pair with the HBA330 for pass-through and let vSAN manage redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNVMe note:\u003c\/strong\u003e The R740 16-Bay 2.5\" backplane is SAS\/SATA only. There is no native front NVMe option on this chassis. NVMe is possible via PCIe expansion cards in the rear slots, but if NVMe is the primary storage tier the R740xd 24-Bay 2.5\" NVMe variant is the right chassis, not this one with an NVMe workaround. This is the most common configuration question we field on the R740 and we would rather state it upfront than after a purchase order is issued.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBoot drive recommendation - BOSS module:\u003c\/strong\u003e Dell's Boot Optimized Storage Subsystem is a hardware-RAID 1 pair of M.2 SATA SSDs on a dedicated PCIe card. We recommend it as the standard boot device on every R740 production build. It keeps the OS separate from the data pool, frees all sixteen front bays for data, and provides hardware-mirrored boot redundancy without consuming a front bay or a RAID controller channel.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eStorage Controllers\u003c\/h2\u003e\u003cp\u003eThe R740 storage controller family covers the full range from boot-only software RAID through high-end battery-backed hardware RAID with non-volatile cache. At 16-bay scale, controller choice is more consequential than on the 8-bay variants because write-cache sizing matters more on a larger array and the failure-domain of a single controller spans more drives. Pick the controller against the workload, not the budget:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H740P (8 GB NV cache, battery-backed):\u003c\/strong\u003e The production storage default on this chassis. Non-volatile write cache with battery protection delivers the best write latency and protects cached data through power events. The 8 GB cache size is appropriately sized for a 16-drive SAS\/SATA array and absorbs RAID 5 or RAID 6 parity calculations cleanly. Essential for databases and transactional workloads on local storage.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H730P (2 GB cache, battery-backed):\u003c\/strong\u003e Solid general-purpose choice for mixed or read-heavy workloads where the H740P premium is not warranted. The 2 GB cache is on the small side for sustained write activity across sixteen drives; quote H740P unless cost is the constraint and the workload is read-dominant.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H730 (1 GB cache, battery-backed):\u003c\/strong\u003e Viable budget option, generally a downgrade vs the H730P or H740P on Cascade Lake workloads. Appears on the secondary market frequently as a 13th-gen carryover (Dell maintained Mini-PERC slot compatibility into 14th gen, so refurbished R740 units sometimes ship with the H730 already installed from prior deployments). The 1 GB cache is undersized for sustained write workloads across sixteen drives. Quote it when budget is the driving constraint and write performance is not load-bearing; otherwise the H730P is the small step up.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePERC H330 (no cache):\u003c\/strong\u003e Entry-tier hardware RAID for light workloads. Not recommended on a production 16-drive array carrying meaningful write load.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHBA330 (pass-through HBA):\u003c\/strong\u003e For software-defined storage (vSAN OSA, Storage Spaces Direct, Ceph, ZFS) where the software manages redundancy. The textbook vSAN OSA node on this chassis runs the HBA330 with sixteen SSDs split across multiple disk groups. Never use hardware RAID on top of a software RAID stack.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eS140 (software RAID via chipset):\u003c\/strong\u003e Dev\/test and light workloads only. Not a production storage recommendation, particularly at 16-bay scale.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe controller mounts in a dedicated Mini-PERC slot, not a general PCIe slot, so on this chassis you keep the full 8-slot PCIe budget available for networking, HBAs, and GPUs regardless of which controller you select.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eProcessors\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCPU options:\u003c\/strong\u003e Dual 1st Generation Intel Xeon Scalable (Skylake-SP, 2017) or 2nd Generation Intel Xeon Scalable (Cascade Lake-SP, 2019), socket LGA 3647 on the Intel C620-series (Lewisburg) chipset. Skylake and Cascade Lake are drop-in compatible on the same R740 motherboard; the difference is generation, not platform. Up to 28 cores per CPU for a maximum 56 cores and 112 threads dual-socket. TDP range 85W (Bronze 3104) through 205W (Platinum 8280). Same Purley platform as the HPE ProLiant DL360 Gen10 and DL380 Gen10.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOur SKU recommendations:\u003c\/strong\u003e Intel Xeon Gold 6230 (20 cores, 2.1 GHz base, 125W TDP) for balanced general-purpose virtualization and mixed-workload consolidation, which is the most common R740 16-Bay workload pattern. For per-core licensed workloads (SQL Server, Oracle), Gold 6248 (20 cores, 2.5 GHz base, 150W) delivers the per-core clock that licensing math justifies. For high-VM-density VDI clusters where sessions-per-host is the metric, Gold 6230R (26 cores, 2.1 GHz, 150W) is the workload-specific pick. For top-bin compute (HPC, dense consolidation), Gold 6248R (24 cores, 3.0 GHz, 205W) and Platinum 8280 (28 cores, 205W) deliver the peak; the R740 chassis has the thermal envelope to handle these SKUs cleanly where the R640 1U is more marginal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHeatsink requirement on top-bin CPUs:\u003c\/strong\u003e Any CPU above 150W TDP, including the 165W Gold 6146, 6144, 6244, and 6246, and the 205W Gold 6248R \/ 6258R \/ Platinum 8280, requires Dell's high-performance heatsink kit and high-performance fan kit. The standard heatsink will boot the system but throttle under sustained load. We specify this correctly on every high-TDP build; it is the most common configuration error we see on self-built R740 systems and the one most likely to result in a \"the server runs fine for the first hour and then performance falls off a cliff\" support call. The 2U chassis has more thermal headroom than the 1U R640, but the heatsink kit threshold is the same.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSingle-socket warning:\u003c\/strong\u003e A single-CPU R740 build is supported but cuts the platform in half. With one CPU populated only 12 of the 24 DIMM slots are accessible, half the PCIe lanes are inactive, the NDC routes through the populated CPU, and several PCIe slots become unavailable depending on riser configuration. Single-socket is a real option for development, lab, and lightly-used edge nodes, but it is not a cost-saving move for production. If the workload justifies a 2U chassis with 16 bays, it justifies the second CPU.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eMemory\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eArchitecture:\u003c\/strong\u003e 24 DDR4 DIMM slots organized as 12 slots per CPU across 6 memory channels at 2 DIMMs per channel. The 6-channel layout is the Purley platform's defining memory feature and the reason full DIMM population at 2 DPC consistently outperforms partial population at higher speed on memory-bandwidth-sensitive workloads. On a 16-Bay R740 the most common workloads (virtualization with high VM density, VDI at scale, mixed enterprise consolidation) are all memory-bandwidth-sensitive.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupported DIMM types:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eRDIMM (registered):\u003c\/strong\u003e The standard enterprise choice. Up to 64 GB per DIMM, 1.5 TB total with full population. Best price per gigabyte for capacities up to 1.5 TB.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eLRDIMM (load-reduced):\u003c\/strong\u003e For builds that need more than 1.5 TB. Up to 128 GB per DIMM, 3 TB total. Modest latency premium vs RDIMM but the only path past 1.5 TB on this platform without Optane. Common on high-density VDI builds and SQL Server consolidation hosts where 3 TB backs many concurrent VMs or large in-memory working sets.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eIntel Optane Persistent Memory (PMem):\u003c\/strong\u003e Cascade Lake L-series CPUs only (Gold 5215L, 6240L, 6248L, etc.). App Direct mode for persistent storage tier, Memory Mode for transparent capacity expansion. Up to 7.68 TB combined with LRDIMM. Use case is specific (large in-memory databases, SAP HANA scale-up, transparent memory expansion on high-VM-density hosts); we will tell you directly when Optane is the right answer and when it is not.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNVDIMM-N:\u003c\/strong\u003e Niche persistent memory option, paired with RDIMM only, up to 12 modules at 16 GB each for 192 GB total. Rarely the right answer in 2026; Optane is the more common persistent-memory path on this platform.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMemory speed by population:\u003c\/strong\u003e DDR4-2933 on Cascade Lake Gold 6200 and 5222 SKUs at 1 DPC, DDR4-2666 on other Cascade Lake SKUs and at full 2 DPC population, DDR4-2666 on all Skylake SKUs. Full 24-DIMM population at 2 DIMMs per channel drops effective speed to DDR4-2666 from the 2933 MT\/s peak even on Gold 6200 \/ 5222 CPUs. The full-channel bandwidth advantage over partial population is measurable under load and consistently worth the speed-step tradeoff; this is the call we make almost every time. Partial population (for example, only 6 DIMMs per CPU at 1 DPC) leaves six channels idle and is the most common memory configuration mistake we see on R740 deployments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMixing rules:\u003c\/strong\u003e Within a channel, DIMM ranks must match, capacity must match, and timing must match. Across channels Dell allows broader mixing but we do not quote mixed configurations for production; matched-set DIMMs avoid subtle stability issues and make later memory expansion straightforward.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eNetworking and PCIe Expansion\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eNetwork Daughter Card (NDC):\u003c\/strong\u003e Dell's NDC is the R740's primary networking position, the architectural equivalent of HPE's FlexibleLOM on the DL380 Gen10. The NDC mounts in a dedicated mezzanine slot and does not consume any PCIe slot. NDC options:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003e4x 1 GbE:\u003c\/strong\u003e Entry-tier, suitable for management networks, branch office deployments, or workloads where 1 GbE is genuinely sufficient. Not recommended for primary enterprise production traffic on a 16-Bay chassis.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e2x 10 GbE SFP+ plus 2x 1 GbE:\u003c\/strong\u003e The baseline for most enterprise virtualization and application servers. 10 GbE for production traffic, 1 GbE ports available for management or backup networks.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e4x 10 GbE SFP+:\u003c\/strong\u003e Quad-port 10 GbE for environments requiring storage fabric separation, dedicated vMotion and backup networks, or aggregated bandwidth. The common NDC on converged virtualization hosts.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e2x 25 GbE SFP28:\u003c\/strong\u003e Recommended for storage-intensive workloads, vSAN OSA all-flash nodes, high-density VDI, and any environment where local storage I\/O competes with application traffic on shared links. The right NDC for 16-bay all-SSD builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePCIe expansion:\u003c\/strong\u003e Up to 8 PCIe Gen3 slots with both CPUs populated, depending on riser configuration. The R740 supports multiple riser variants that trade slot count against form factor (low-profile vs full-height) and against the use of rear drive bays on R740xd. On the 16-Bay 2.5\" specifically, no rear drive assembly consumes riser space, so the full 8-slot budget is structurally available. Common PCIe builds: dual 25 GbE NIC plus add-in 100 GbE NIC plus external SAS HBA plus multi-T4 GPU configuration, or quad NIC plus dual FPGA for inference at the edge, or full PCIe budget allocated to GPU compute up to the chassis envelope.\u003c\/p\u003e\u003cp\u003eThe 8-slot PCIe budget is one of the main reasons the R740 is the volume 2U platform in our 14th gen catalog: the slot count gives meaningful headroom for networking, accelerators, and external storage interconnects that the 1U R640 cannot accommodate.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eGPU Support\u003c\/h2\u003e\u003cp\u003eThe R740 2U envelope is one of the better GPU platforms in the 14th gen Dell lineup. Per the Dell R740 \/ R740xd Technical Guide, the chassis supports up to 3 double-width 300W GPUs (V100 PCIe, A30, T4 in double-wide form factor), up to 6 single-width 150W GPUs (T4 standard, P4, M10), or up to 4 single-width FPGA cards (3 double-width FPGA). The slot count and thermal envelope are genuinely respectable for a 2U Cascade Lake-era platform.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe honest framing for 2026:\u003c\/strong\u003e Even with the slot count available, the R740 is not the platform we would recommend for serious multi-GPU AI work. Three reasons. First, the PCIe Gen3 ceiling bottlenecks modern GPUs: a current-gen H100 or L40S is throttled to roughly half its host bandwidth on Gen3 lanes vs a Gen4 or Gen5 platform. Second, Cascade Lake's age means CPU-side preprocessing, data loading, and PCIe coherency overheads are dated relative to what current ML frameworks expect. Third, power and thermal headroom on storage-equipped configurations limits which 300W cards can run reliably under sustained load when sixteen bays of SSD are also drawing power. For serious GPU work (LLM training, multi-GPU inference at scale, modern CUDA workloads), we route deployments to current production hardware. The R740 16-Bay is well-suited for VDI with vGPU (T4-class cards for user sessions), modest single-card or dual-card inference, video transcoding, and CAD or visualization clusters where Gen3 bandwidth is acceptable.\u003c\/p\u003e\u003cp\u003eGPU-equipped configurations require an enablement kit (auxiliary power cables, GPU brackets, riser-specific cabling). We add the kit to every R740 GPU build by default. The thermal restriction tables in the R740 Technical Guide govern the specific GPU plus CPU combinations that are validated; we work through that table at quote time on any borderline build.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eManagement - iDRAC9 Generation\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eiDRAC9 Enterprise:\u003c\/strong\u003e Required for production deployment. Remote KVM, virtual media, predictive analytics, Group Manager for fleet-scale operations, Quick Sync 2 (wireless mobile management), and Silicon Root of Trust. iDRAC9 Express is not suitable for unattended datacenter deployment because the remote console functionality is restricted to local console access only. We spec Enterprise on every R740 build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSecurity baseline:\u003c\/strong\u003e Silicon Root of Trust anchors firmware verification in immutable silicon (the Dell equivalent of HPE iLO 5's hardware-anchored trust chain). System Lockdown mode prevents unauthorized firmware changes after deployment. Cryptographically signed firmware updates and Secure Boot are standard. TPM 2.0 module supported and recommended for any deployment with NIST 800-171, CMMC, FedRAMP, HIPAA, or PCI DSS compliance framework requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLifecycle Controller:\u003c\/strong\u003e Bundled with iDRAC9. Provides BIOS and firmware update orchestration, hardware inventory reporting, and OS deployment via integrated drivers. Worth taking the time to learn on first deployment; it saves real time at every subsequent firmware refresh.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOpenManage Enterprise:\u003c\/strong\u003e The Dell fleet management plane. Integrates with iDRAC9 and Lifecycle Controller across the fleet for centralized firmware compliance, configuration drift detection, and warranty status tracking. Worth the integration effort on any fleet over 20 R740 units.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003ePower and Cooling\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePSU options:\u003c\/strong\u003e Hot-swap redundant Dell Flex Slot PSUs in 495W Platinum, 750W Platinum, 750W Titanium, 1100W Platinum, 1600W Platinum, 2000W Platinum, and 2400W Platinum. The 2000W and 2400W tiers are specific to the R740 and R740xd 2U platform; they are not available on the R640 1U. They exist primarily for multi-GPU configurations and dense top-bin CPU builds. Always spec redundant; we do not quote single-PSU R740 builds for production.\u003c\/p\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eLight (Silver CPUs, partial RAM, 4 SSDs, no GPU):\u003c\/strong\u003e 2x 495W Platinum, peak draw approximately 280W\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eBalanced (Gold 6230, full RAM, 16 SAS SSDs, no GPU):\u003c\/strong\u003e 2x 750W Platinum, peak draw approximately 520W\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHeavy (Gold 6248, full RAM, 16 all-SSD plus single T4 GPU):\u003c\/strong\u003e 2x 1100W Platinum, peak draw approximately 780W\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eMulti-GPU (Gold 6248R, full RAM, 16 SSDs, 3x double-width 300W GPUs):\u003c\/strong\u003e 2x 2000W Platinum or 2x 2400W Platinum for headroom\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOn efficiency tier:\u003c\/strong\u003e 750W Titanium-rated PSUs are worth the modest premium for large multi-unit deployments. Efficiency savings at scale add up quickly, and a PSU running at 50 percent capacity runs cooler and lasts longer than one running at 90 percent. When in doubt on sizing, size up.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThermal:\u003c\/strong\u003e Six hot-plug redundant fans standard in the 2U chassis. ASHRAE A3 (40C) extended ambient support with the high-performance fan kit on most configurations. The 2U envelope gives the R740 meaningfully more thermal headroom than the R640 1U on top-bin CPU and multi-GPU configurations; Dell's thermal restriction tables in the R740 Technical Guide are the authoritative reference for any borderline build, and we work through that table with you at quote time when the configuration is close to a limit.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003ePhysical Specs \u0026amp; Platform Notes\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e 2U rack server. Approximately 86.8mm H x 482mm W x 715mm D with bezel and standard cable management. Fits standard 1000mm-depth datacenter cabinets with cable management arm. Standard 19-inch rack mount with Dell ReadyRails II.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePCIe expansion:\u003c\/strong\u003e Up to 8 PCIe Gen3 slots with both CPUs populated, depending on riser configuration. The 16-Bay 2.5\" chassis preserves the full riser budget structurally; riser choice trades slot count against full-height vs low-profile form factor. Riser configuration is locked at order time and not field-swappable without chassis disassembly; we confirm the right riser against your PCIe card list at quote time.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eParts availability:\u003c\/strong\u003e Excellent. The R740 is one of the highest-volume Dell PowerEdge platforms ever shipped, and the 16-Bay 2.5\" backplane is the most common variant. PERC controllers, NDC cards, riser kits, backplanes, SAS expanders, fan modules, and PSUs are all readily available in the secondary market, and Dell ProSupport parts coverage remains active on most R740 service contracts in 2026.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eAccessories we recommend:\u003c\/strong\u003e Dell LCD bezel for the R740 2U chassis (confirm part number at quote time against your chassis revision and whether security bezel is required), Dell ReadyRails II static or sliding rails, and the Dell cable management arm. The CMA is genuinely worth the cost on production deployments; rear-of-rack service on a fully-cabled 2U is meaningfully easier with it installed.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePlatform notes:\u003c\/strong\u003e CPU hot-plug is not supported (system must be powered down for CPU replacement). NDC swap requires powered-down access. Bay configuration is welded into the chassis: an 8-Bay R740 cannot be field-upgraded to a 16-Bay R740 because the drive cage is part of the physical chassis; if you anticipate growth past 8 bays, buy the 16-Bay now. BIOS NVMe bifurcation settings must be configured correctly if NVMe expansion cards are added to the rear PCIe slots. Thermal restriction tables in the R740 Technical Guide govern any top-bin CPU plus multi-GPU or high-ambient deployment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eOur Assessment\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhere it excels:\u003c\/strong\u003e Mid-density to high-density virtualization clusters running vSphere or Hyper-V where 16 SFF bays of mixed SAS or SATA storage carry the production VMs. vSAN OSA all-SSD nodes where the HBA330 plus 16-drive disk-group geometry is the textbook configuration. VDI clusters on Horizon or Citrix with T4-class vGPU acceleration for user sessions. SQL Server and Oracle consolidation hosts where per-core licensing math justifies Gold 6248 or higher SKUs and the 2U thermal envelope handles the top-bin CPUs cleanly. Mixed enterprise consolidation where the buyer wants meaningful PCIe slot budget, GPU envelope, and storage flexibility in a single 2U chassis. Capacity-add nodes to an existing R740 fleet where iDRAC9 firmware version, PERC controller family, and OpenManage tooling are already standardized.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere to look instead:\u003c\/strong\u003e If your workload is compute-first with storage on a SAN or NAS and 8 local bays is enough, the \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-2-5-chassis\"\u003eR740 8-Bay 2.5\"\u003c\/a\u003e gives you simpler cabling and slightly more thermal and PCIe headroom for top-bin CPU plus GPU builds. If your storage tier is bulk capacity on spinning disk, the \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-3-5-chassis\"\u003eR740 8-Bay 3.5\"\u003c\/a\u003e is the LFF answer in the same R740 chassis, or the R740xd 12-Bay 3.5\" for higher LFF bay counts. If your storage architecture is NVMe-first, the R740xd 24-Bay 2.5\" NVMe variant is the right chassis. If your workload needs serious multi-GPU AI compute, modern CUDA frameworks, or PCIe Gen4 bandwidth, step up to the R750 (15th gen) or R760 (16th gen); the R740's PCIe Gen3 ceiling is the wrong platform for that work. If 1U is a hard rack-density constraint and the workload fits in fewer bays, the \u003ca href=\"\/products\/dell-poweredge-r640-10-bay-chassis\"\u003eR640 10-Bay 2.5\"\u003c\/a\u003e is the 1U companion.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBottom line:\u003c\/strong\u003e The 16-Bay 2.5\" is the R740 we recommend by default. A senior IT technician building a 14th gen Dell 2U for general enterprise production, virtualization with high VM density, vSAN OSA, or mixed consolidation lands on this chassis nine times out of ten. It is the highest-velocity 14th gen 2U SKU on our site for a reason: the platform is mature, parts availability is excellent, and the 8-slot PCIe budget plus 16-bay storage gives the chassis enough flexibility to handle the broad middle of enterprise workloads without compromise. For specialty needs (NVMe-first, LFF capacity, multi-GPU AI) the R740xd or current-generation platforms are the right call, but for \"give me a reliable 2U Dell that does the job,\" this is the build.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhere the R740 Fits in 2026\u003c\/h2\u003e\u003cp\u003eThe R740 launched in 2017 and received its 2nd Generation Intel Xeon Scalable refresh in 2019. As of 2026 the platform is 2 generations behind the R750 (15th gen, Ice Lake-SP, 2021) and 3 generations behind the current production R760 (16th gen, Sapphire Rapids and Emerald Rapids, 2023 to 2024). Dell ProSupport contracts on R740 hardware are still available on most config tiers but are approaching end-of-extended-support; third-party maintenance is the standard production support path for most R740 deployments in 2026. We are not going to soft-pedal the R740's age: for greenfield mission-critical deployments where PCIe Gen4 or Gen5 bandwidth, DDR5 memory speed, or Sapphire Rapids per-core gains materially change the workload economics, the R760 step is the right answer.\u003c\/p\u003e\u003cp\u003eThe R740 16-Bay 2.5\" earns its place in 2026 when one of these patterns applies: capacity-add to an existing 14th gen Dell fleet where iDRAC9 firmware version, PERC controller family, and ProSupport contract terms are already standardized; lab, dev, and staging mirrors of production R740 fleets where matching the production platform is more valuable than running newer hardware; budget-driven workloads where the price delta vs R750 or R760 (typically $2,000 to $4,500 per unit on the secondary market for comparable configurations) materially changes the deployment math; certified workload contexts where the application vendor has explicitly validated the 14th gen platform and re-certification on Ice Lake or Sapphire Rapids is not yet complete; and operational standardization in environments where the existing fleet runs on iDRAC9, Lifecycle Controller, and OpenManage and the operations team has invested in 14th gen tooling.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eHonest Limitations\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eNo front NVMe.\u003c\/strong\u003e The 16-Bay 2.5\" backplane is SAS\/SATA only via the SAS expander. NVMe is possible via PCIe expansion cards but is a workaround, not the design point. For native front NVMe in the R740 family, the R740xd 24-Bay 2.5\" NVMe variant is the right chassis. This is the single most common configuration mistake we see on R740 quotes.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePCIe Gen3 ceiling.\u003c\/strong\u003e All slots and all backplane lanes are PCIe 3.0. Workloads that would saturate Gen3 (high-end NVMe arrays, 100 GbE adapters at line rate, modern accelerator cards) will be bottlenecked. The upgrade path is the R750 (15th gen, Gen4) or R760 (16th gen, Gen5).\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eMemory speed drops at 2 DPC on Cascade Lake.\u003c\/strong\u003e Full 24-DIMM population drops effective speed to DDR4-2666 from the 2933 MT\/s peak on Gold 6200 \/ 5222 SKUs. We consider this an acceptable tradeoff for the bandwidth gain from full-channel population, but it is a real number worth knowing on memory-bandwidth-sensitive applications.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHigh-TDP CPUs require performance heatsinks.\u003c\/strong\u003e Any CPU above 150W TDP, including 165W and 205W SKUs, needs the high-performance heatsink kit and high-performance fan kit. The standard heatsink will boot the system but throttle under sustained load.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eGPU effectiveness is bandwidth-limited, not slot-limited.\u003c\/strong\u003e The chassis supports up to 3 double-width 300W GPUs, but PCIe Gen3 lanes throttle current-gen GPUs (H100, L40S, A100) to roughly half their potential host bandwidth vs Gen4 or Gen5 platforms. For VDI with T4-class GPUs the Gen3 ceiling is not a problem; for serious multi-GPU AI compute it is. Match the GPU to the platform.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eRiser configuration locks PCIe slot mix.\u003c\/strong\u003e Riser choice is made at order time. Swapping risers post-deployment requires chassis disassembly. We confirm riser config at quote time based on your PCIe card list.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eBay configuration is welded into the chassis.\u003c\/strong\u003e An 8-Bay R740 cannot be field-upgraded to a 16-Bay R740 by adding a backplane; the drive cage is part of the physical chassis. If you anticipate growth past 8 bays, buy the 16-Bay now.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e14th gen, not current production.\u003c\/strong\u003e Dell's current 2U production platform is the R760. The R740 represents strong refurbished value in 2026 but is not new hardware; we are transparent about that and would rather state it upfront than after a purchase order is issued.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eWorkload Fit\u003c\/h2\u003e\u003ctable\u003e  \u003ctr\u003e    \u003cth\u003eThis server is right for\u003c\/th\u003e    \u003cth\u003eConsider alternatives for\u003c\/th\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eMid-density to high-density virtualization (vSphere, Hyper-V)\u003c\/td\u003e    \u003ctd\u003eNative front-bay NVMe requirements (R740xd 24-Bay NVMe)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003evSAN OSA all-flash nodes (HBA330 plus 16 SSDs)\u003c\/td\u003e    \u003ctd\u003eBulk LFF capacity storage (R740 8-Bay 3.5\" or R740xd 12-Bay 3.5\")\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eVDI on Horizon or Citrix with T4-class vGPU\u003c\/td\u003e    \u003ctd\u003eSerious multi-GPU AI training or modern CUDA workloads\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eSQL Server \/ Oracle consolidation (per-core licensing)\u003c\/td\u003e    \u003ctd\u003ePCIe Gen4 \/ Gen5 NVMe and NIC requirements\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eMixed enterprise consolidation with broad PCIe needs\u003c\/td\u003e    \u003ctd\u003eCompute-only workloads (the 8-Bay 2.5\" is the better fit)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e    \u003ctd\u003eCapacity-add to existing 14th gen R740 fleets\u003c\/td\u003e    \u003ctd\u003eGreenfield deployments needing DDR5 \/ PCIe Gen5 (R760)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eWhere to Look Instead\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eCompute-first, simpler cabling, fewer drives?\u003c\/strong\u003e The \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-2-5-chassis\"\u003eR740 8-Bay 2.5\"\u003c\/a\u003e drops to eight front bays with no SAS expander and gives slightly more thermal and PCIe headroom for top-bin CPU plus GPU builds.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eBulk LFF capacity in 2U?\u003c\/strong\u003e The \u003ca href=\"\/products\/dell-poweredge-r740-8-bay-3-5-chassis\"\u003eR740 8-Bay 3.5\"\u003c\/a\u003e takes eight 3.5\" hot-swap LFF drives for high-capacity spinning disk builds in the R740 chassis. For more LFF bay count, the R740xd 12-Bay 3.5\" is the storage-dense step up.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNative NVMe across the front bays?\u003c\/strong\u003e The R740xd 24-Bay 2.5\" NVMe variant is the all-NVMe specialist in the R740xd family. The 16-Bay 2.5\" does not support front NVMe.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003e1U companion for lower-density deployments?\u003c\/strong\u003e The \u003ca href=\"\/products\/dell-poweredge-r640-10-bay-chassis\"\u003eR640 10-Bay 2.5\"\u003c\/a\u003e is the 1U companion to the R740 on the same Intel Purley platform. Same CPU family, same memory architecture, half the PCIe budget and lower bay count.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHPE-side equivalent?\u003c\/strong\u003e The \u003ca href=\"\/products\/dl380-g10-2-5-16-bay-server\"\u003eHPE ProLiant DL380 Gen10 16-Bay 2.5\"\u003c\/a\u003e is the direct counterpart on the same Intel Purley platform. The two are workload-equivalent; pick based on existing fleet standardization.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNeed PCIe Gen4 NVMe or DDR4-3200?\u003c\/strong\u003e The R750 (15th gen, Ice Lake-SP) brings PCIe Gen4, DDR4-3200, 32 DIMM slots, and 3rd Gen Xeon Scalable up to 40 cores per socket. The right answer for NVMe-heavy or memory-bandwidth-bound workloads.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eNeed current-generation Dell support and DDR5?\u003c\/strong\u003e The R760 (16th gen, Sapphire Rapids \/ Emerald Rapids) is the current production 2U platform with DDR5 at 5600 MT\/s, PCIe Gen5, and up to 64 cores per socket on Emerald Rapids.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eReady to Configure?\u003c\/h2\u003e\u003cp\u003eTell us your workload, target storage profile (SAS\/SATA mix, BOSS for boot, controller preference), target memory footprint, NDC choice (10 GbE or 25 GbE), PCIe card list for riser confirmation, and quantity. Our account team returns a fully specced build with formal pricing within 24 hours, including a validated configuration covering thermal restrictions on top-bin CPUs, PCIe slot allocation across NIC and HBA and GPU, riser selection against your card list, and PSU sizing against the build's actual draw. Every refurbished unit ships with the Wholesale Servers 180-day warranty and 12+ hour burn-in testing, and volume pricing starts at 5 units. Call 1-800-778-1545 or use the quote form below.\u003c\/p\u003e","brand":"Dell","offers":[{"title":"Default Title","offer_id":45951275827399,"sku":"BP-011931","price":657.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/4493\/0247\/files\/server-design-lab-dell-poweredge-r740-16-bay-25-drives-668589.png?v=1765539696"}],"url":"https:\/\/wholesaleservers.com\/collections\/dell-poweredge-r740-servers.oembed","provider":"Wholesale Servers","version":"1.0","type":"link"}