The Dell PowerEdge R340 8-Bay 2.5" is the SFF configuration of the 14th gen entry-tier 1U platform: eight 2.5" hot-swap bays on the same single-socket Intel Xeon E-2100 or E-2200 platform as the 4-Bay 3.5" LFF variant. This is the variant we reach for when the deployment needs SFF drive density or IOPS rather than bulk LFF capacity in an entry-tier 1U envelope: SMB application servers running line-of-business software with database backends, retail back-office hosts with SSD storage tiers, modest CI/CD or build infrastructure nodes, all-SSD compute deployments for development environments, and modest VDI deployments (under 15 light desktops) where boot tier IOPS matter more than terabytes-per-host.

Important upfront: the R340 has been superseded by the R350 (15th gen, Xeon E-2300 Rocket Lake, PCIe Gen4, DDR4-3200 ECC UDIMM, BOSS-S2 hot-swap boot) and the R360 (16th gen, Xeon E-2400 Raptor Lake, PCIe Gen5, DDR5). For any new production deployment with a 3+ year horizon, the R350 or R360 is the right answer. The R340 is the correct call for cost-constrained deployments, short planned lifecycles, organizations expanding existing R340 infrastructure, or budget-primary builds where the dollars-per-host advantage justifies the older platform.

To configure a build, call 1-800-778-1545 or use the quote form on this page. Volume pricing applies at 5 units and above. Every R340 ships after a 12+ hour burn-in covering every PCIe slot, every memory channel, and every drive bay. Standard 180-day warranty included; 1-Year, 2-Year, and 3-Year Premium warranty options available separately.

When 8 SFF Bays Is the Right Choice

The architectural difference between the 8-Bay 2.5" and the R340 4-Bay 3.5" companion is a pure storage-profile shift. The compute envelope is identical: same Xeon E-2100 / E-2200 platform, same 4 DDR4 UDIMM slots, same 128 GB memory ceiling, same iDRAC9 management, same PERC controller family, same 2 PCIe Gen3 slots, same 350W PSU options, same chassis depth. What changes is the storage profile.

Drive count and form factor. Eight 2.5" hot-swap bays instead of four 3.5". SAS or SATA drives only; the R340 backplane does not support NVMe at any chassis variant. This shifts the storage envelope from bulk LFF capacity to higher SFF spindle count: more drives means more IOPS in striped configurations, room for an SSD cache tier alongside SAS capacity, and the option to run all-SSD configurations for IOPS-priority deployments. Real capacity numbers: 8 x 1.92 TB SAS SSD gives 15 TB raw (about 9 TB usable in RAID 6), 8 x 3.84 TB SAS SSD gives 30 TB raw, 8 x 2.4 TB 10K SAS gives 19 TB raw with higher IOPS than NL-SAS. By comparison, the 4-Bay 3.5" variant reaches 80 TB raw with 20 TB NL-SAS drives but at far lower IOPS.

Workload deployment profile. The 8-Bay 2.5" serves a different entry-tier workload class than the 4-Bay LFF. We deploy this variant when the buyer is running SMB application servers (line-of-business software with SQL or PostgreSQL backends), retail back-office systems where transactional response time matters, modest CI/CD or build infrastructure, all-SSD compute nodes for development environments, and modest VDI deployments where boot tier IOPS matter. We deploy the 4-Bay LFF when the buyer is running file servers, modest backup targets, or bulk content storage where dollars-per-TB is the priority.

Welded chassis: no field conversion. The 8-Bay 2.5" chassis cannot be field-converted to the 4-Bay 3.5", and vice versa. Choose the storage profile correctly at purchase. If the workload could go either way and the buyer is unsure, our default steer is the 4-Bay 3.5" because bulk capacity is more often the binding constraint at the SMB scale the R340 targets; the 8-Bay 2.5" is the right call when IOPS or SFF density is genuinely the priority and the buyer can articulate why.

Storage - Eight Hot-Plug 2.5" SFF Bays

Eight front-accessible hot-swap 2.5" drive bays for SAS or SATA drives. The R340 backplane is SAS / SATA only on both chassis variants; NVMe is not supported. The 8-Bay SFF chassis is configured most often in one of three storage architectures:

All-SSD high-IOPS configuration. Eight 1.92 TB or 3.84 TB SAS SSDs in RAID 10 or RAID 6. Usable capacity: 7 TB to 20 TB depending on drive size and RAID level. This is the right call for SMB transactional workloads (SQL Server Express or Standard with modest databases, Exchange for under 100 mailboxes), application servers with database backends, and compute-leaning deployments where IOPS matter more than terabytes. SAS SSD dual-port reliability is worth specifying over SATA SSD on production deployments; the price premium is small at the R340's scale and the dual-port path gives controller-failure resilience the SATA SSDs cannot match.

Mixed SSD cache + HDD capacity tier. Two SAS SSDs in RAID 1 for cache and hot data, six 2.4 TB or 1.2 TB 10K SAS drives in RAID 6 for capacity. Usable capacity: 8 TB to 9 TB. This is a clean SMB application-server pattern where some hot data benefits from SSD and the rest can live on spinning. The PERC H730P's 2 GB battery-backed cache is enough to make this configuration effective; CacheCade (automatic SSD-as-cache promotion) is supported on H730P though we more commonly see manual tiering on R340-class deployments where the application controls data placement.

All-spinning high-spindle configuration. Eight 2.4 TB 10K SAS drives in RAID 6 with one hot spare. Usable capacity: approximately 14 TB. This is the right call when the workload genuinely needs spinning-drive IOPS at lower cost than all-SSD and capacity is bounded. Less common in 2026 than five years ago - SSD pricing has shifted the calculus - but still legitimate for cost-primary builds where the workload tolerates spinning-drive latency.

Practical RAID layouts at 8 SFF bays. RAID 6 with one hot spare (7 drives in the RAID set + 1 spare, 5 drives usable) is a clean default for production. RAID 10 on 8 drives (4 mirrored pairs, 4 drives usable) gives the strongest IOPS but cuts usable capacity in half; we recommend RAID 10 for write-heavy database workloads where the parity penalty would hurt. RAID 5 is acceptable on SSD arrays where rebuild time is short; we steer customers away from RAID 5 on spinning-drive configurations at this drive size. RAID 60 (two RAID 6 sets of 4 drives each, striped) is occasionally the right call for high-capacity all-SSD configurations where two-drive failure protection plus stripe-level IOPS is the goal.

Boot drive options: the BOSS-S1 module (Boot Optimized Storage Solution, dual mirrored M.2 SATA SSDs in hardware RAID 1, cold-swap) is the recommended boot device for any production build. On an 8-bay chassis, BOSS-S1 leaves all eight front bays free for data and provides hardware-mirrored boot redundancy without consuming a drive bay or a PERC channel. Giving up one of eight bays to boot would be a 12.5% capacity hit, smaller than on the 4-Bay variant but still meaningful; BOSS-S1 is the cleanest answer. The R340 also supports IDSDM (Internal Dual SD Module) and an internal USB option for hypervisor-only boot scenarios.

SFF density does not mean NVMe. A common buyer expectation to recalibrate: the eight 2.5" SFF bays look NVMe-capable visually, but the R340 backplane is SAS / SATA only on this and every R340 variant. If NVMe matters, the R340 is the wrong platform; step to the R440 10-Bay 2.5" with the hybrid NVMe backplane, or to the R360 in current Dell production where entry-tier 1U NVMe support arrives at the 16th gen level.

Storage Controllers

The R340 supports a reduced PERC family compared to the dual-socket Scalable platforms. The H740P (8 GB NV cache, the top 14th gen PERC that appears on R440 / R540 / R740) is not in scope on the R340: the platform is rated for the H730P ceiling. Confirm exact controller part number at quote time.

• PERC H730P (12 Gb/s SAS, 2 GB cache, battery-backed): our default recommendation for the 8-Bay 2.5". Supports RAID 0 / 1 / 5 / 6 / 10 / 50 / 60. The 2 GB battery-backed write cache earns its place on this chassis because the IOPS-leaning workloads we deploy here (database backends, transactional retail systems, modest VDI) benefit measurably from the cache. CacheCade (automatic SSD-tier-as-cache for spinning-drive arrays) is supported on H730P and is occasionally useful on mixed-tier 8-Bay configurations, though we more commonly see manual application-level tiering.
• PERC H330 (12 Gb/s SAS, no cache): acceptable for all-SSD configurations where the SSDs absorb the cache function on their own internal write buffers, and for read-heavy workloads where the absence of a host-side write cache does not bind. On an all-SSD R340 8-Bay running a development environment or a read-cache-heavy application server, H330 saves cost without compromising the configuration. For any production write-heavy workload on spinning drives or mixed tiers, H730P is the right call.
• HBA330 (12 Gb/s SAS pass-through HBA): the right call for software-defined storage roles where the host operating system or filesystem handles redundancy. TrueNAS / FreeNAS with ZFS on the eight SFF drives, Ceph storage nodes (the R340 is below the typical Ceph cluster-node scale but small lab Ceph deployments do happen), ZFS pools on Proxmox or Solaris derivatives. On an 8-Bay configuration the HBA330 enables more sophisticated software RAID layouts (RAIDZ3 across all eight drives, mirrored vdevs, dedicated SLOG / L2ARC partitioning) that the hardware PERC controllers cannot match for flexibility.
• PERC S140 (software RAID via the C246 chipset): acceptable for hypervisor boot mirrors but not recommended for the production data array. CPU overhead is real on a single-socket Xeon E platform where every core matters, recovery tooling is weaker than the hardware controllers, and boot-time support is OS-version-dependent. Not our quote-time default.

Confirm the specific controller SKU at quote time; secondary-market units may ship with a controller already installed from prior deployment.

Processors

The R340 takes a single Intel Xeon E processor on socket LGA 1151. Two CPU generations are drop-in compatible:

• Intel Xeon E-2100 series (Coffee Lake, 14 nm, 2018): 4-core or 6-core options at 71W or 80W TDP. Workhorse SKUs include the E-2124 (4C/4T, 3.3 GHz / 4.3 GHz turbo, 71W, no Hyper-Threading), the E-2134 (4C/8T, 3.5 GHz, 71W), the E-2146G (6C/12T, 3.5 GHz, 80W, integrated UHD P630 graphics), and the E-2186G (6C/12T, 3.8 GHz, 95W, the top-bin E-2100 part).
• Intel Xeon E-2200 series (Coffee Lake Refresh / Comet Lake, 14 nm, 2019-2020): 4-core to 8-core options at 71W to 95W TDP. Workhorse SKUs include the E-2224 (4C/4T, 3.4 GHz / 4.6 GHz turbo, 71W, no HT), the E-2236 (6C/12T, 3.4 GHz, 80W), the E-2246G (6C/12T, 3.6 GHz, 80W, with integrated graphics), and the top-of-platform E-2288G (8C/16T, 3.7 GHz / 5.0 GHz turbo, 95W).

SKU recommendation specific to the 8-Bay 2.5" configuration: this chassis sees more compute-leaning and IOPS-leaning workloads than the 4-Bay LFF, so the core count and clock speed of the CPU matters more here. Our default spec for the 8-Bay 2.5" is the Xeon E-2236 (6C/12T, 3.4 GHz, 80W) for balanced SMB application-server workloads, or the Xeon E-2288G (8C/16T, 3.7 GHz / 5.0 GHz turbo, 95W) for the highest core count this platform supports - the 8-core / 16-thread envelope is genuinely useful on a VDI or CI/CD host where the workload parallelizes across threads. For read-heavy file-serving workloads where clock speed beats core count, the E-2246G (6C/12T, 3.6 GHz with integrated graphics for console access) is a balanced pick. Intel Pentium Gold and Core i3 parts are technically supported but not recommended for production work.

The Xeon E platform is a desktop-architecture CPU adapted for entry-tier server use: high single-thread clocks, modest core counts (8 cores max), and a small platform envelope. For workloads that benefit from clock speed the R340 is a clean fit; for anything needing significant core count or memory bandwidth, the R440 with Xeon Scalable is the right step up.

PSU mismatch trap: the configuration error we see on this chassis is a 95W E-2288G with a fully-populated 8-bay drive set and an add-in 10 GbE PCIe NIC, paired with the cabled single 350W PSU. The peak draw on that configuration approaches 290W under sustained load, which leaves thin headroom on the cabled 350W. For any E-2288G or E-2186G build with a populated drive set, we quote the dual hot-plug redundant 350W Platinum PSU pair.

Memory

The R340 has 4 DDR4 UDIMM slots running at 2666 MT/s. Maximum memory is 128 GB with 4 x 32 GB UDIMMs (the higher-capacity revision; the earlier R340 BIOS shipped with a 64 GB ceiling using 16 GB UDIMMs and was later updated). The R340 uses unbuffered ECC DIMMs (UDIMM), not registered (RDIMM) or load-reduced (LRDIMM) modules - this is a consumer-architecture memory subsystem with ECC support added for server deployments.

For 8-Bay 2.5" deployments specifically, the practical memory targets are higher than on the 4-Bay LFF because the workloads we quote into this chassis are more compute-leaning. SMB application servers with database backends typically want 64 GB to 128 GB; CI/CD and build infrastructure nodes want 64 GB minimum and benefit from 128 GB if the build matrix is broad; modest VDI hosts want 4 GB to 8 GB per concurrent desktop, which puts a 15-desktop deployment near the 128 GB ceiling. The 128 GB hard wall is more often the binding constraint on 8-Bay deployments than on 4-Bay file-server deployments.

UDIMM only - no RDIMM, no LRDIMM, no NVDIMM-N, no Optane PMem. If a customer attempts to install RDIMM, the system will not POST. Confirm UDIMM at quote time; if the workload needs more than 128 GB or wants persistent memory, the R440 with RDIMM (1 TB max) and the R740xd with Optane PMem are the platforms to step to.

Population rules: install in matched pairs for dual-channel operation. A single DIMM works but runs single-channel and gives up half the memory bandwidth; we never ship single-DIMM configurations. For 8-Bay 2.5" deployments where 128 GB is near the ceiling at deployment, plan to step up to the R440 (1 TB RDIMM) at purchase rather than buying the R340 8-Bay and hitting the memory wall in year two. The R340 8-Bay's typical workload profile makes memory headroom the most common buyer regret on this variant - more than on the 4-Bay LFF, where the workloads are lighter.

Networking and PCIe Expansion

I/O is two PCIe Gen3 expansion slots: one full-height half-length and one low-profile half-length. PCIe Gen3 throughout - Gen4 arrives at the R350 (15th gen), Gen5 at the R360 (16th gen). There is no rNDC (rack Network Daughter Card) mezzanine slot on the R340. Networking is two on-board 1 GbE BASE-T LOM ports on the motherboard; the exact NIC controller varies by motherboard revision and we confirm at quote time.

For 8-Bay 2.5" deployments specifically, the networking profile is meaningfully different than on the 4-Bay LFF. The IOPS-leaning workloads we deploy here - database-backed application servers, transactional retail systems, modest VDI - benefit from 10 GbE more than the 4-Bay's file-server workloads do. The most common 8-Bay configuration adds a dual-port 10 GbE PCIe NIC (Intel X550-T2 for BASE-T or Intel X710 / X520 for SFP+) in the full-height slot for application traffic to clients and for backup traffic to the network backup target. The H730P sits in the low-profile slot.

This is a meaningful limitation versus the 14th gen R440 (rNDC options up to 4 x 25 GbE) and the R540 (rNDC options up to 4 x 10 GbE). For SMB-scope workloads, 2 x 1 GbE LOM plus a dual-port 10 GbE PCIe NIC is sufficient; for anything resembling serious virtualization or shared storage with multiple clients, the R340 is the wrong platform regardless of bay configuration.

Two-slot PCIe budget is a real constraint on 8-Bay builds. The most common configuration conflict we see specific to this variant is: customer wants H730P (slot 2) + 10 GbE NIC (slot 1) + a supplementary HBA for tape attachment, external SAS expansion shelf, or backup-target connectivity. Three cards do not fit in two slots. The resolution is either to drop one card, or step up to the R440 which has three PCIe slots plus rNDC and resolves the PCIe-budget conflict at the platform level.

GPU Support

The R340 does not support GPUs at any configuration. The 350W PSU envelope does not have enough headroom for a GPU even at the lowest end of the compute-card range, and the 1U entry-tier thermal design was not engineered for GPU workloads. The 8-Bay 2.5" variant inherits this constraint from the platform; the SFF chassis is even tighter on internal airflow than the 4-Bay 3.5" because eight SFF drives generate more concentrated thermal output than four LFF drives, leaving even less thermal envelope for a passive compute card.

If your workload needs GPU compute, the R740 in the 14th gen lineup is the GPU platform; R750xa or R760xa in the 15th/16th gen successors. The R340 is the wrong chassis for any GPU role regardless of bay configuration. This includes the cases where the 8-Bay SFF VDI host looks like it might also want a GPU for graphics offload - if the VDI deployment needs GPU-accelerated desktops, the R740 or R750xa is the right platform, not the R340.

Management - iDRAC9

Integrated Dell Remote Access Controller 9 with Lifecycle Controller. Same firmware family as the rest of the 14th gen lineup. The R340 ships with iDRAC9 Basic by default; iDRAC9 Express and iDRAC9 Enterprise are available as license upgrades.

• iDRAC9 Basic: hardware health monitoring, boot device selection, basic IPMI access. No virtual console redirection, no virtual media, no SSO group sign-in. Workable for datacenter rack deployments where a crash cart provides physical-console access.
• iDRAC9 Express: adds virtual console redirection and virtual media. The minimum we recommend for any branch-office or remote-site deployment. For an 8-Bay 2.5" application server hosting an SMB's primary line-of-business workload, Express is non-negotiable - the workload is too important to require physical access for routine troubleshooting.
• iDRAC9 Enterprise: adds vFlash partitions, SSO group sign-in, advanced power monitoring, and OpenManage Enterprise integration. For deployments where the R340 8-Bay is part of a managed fleet, Enterprise pays for itself in admin time saved. For SMB application-server roles specifically, the SupportAssist proactive diagnostics included with Enterprise provides early-warning on drive health degradation on an 8-bay array, which is more valuable than on a 4-bay array because there are twice as many drives that could fail.

Hardware security features include TPM 2.0 (optional), cryptographically signed firmware, Silicon Root of Trust, Secure Boot, and System Erase. Lifecycle Controller is the embedded firmware-update and OS-deployment tool present on every iDRAC9 tier; firmware updates, driver pack management, and bare-metal OS reinstall can all be done from the iDRAC web interface.

Power and Cooling

SSDs draw less power than equivalent spinning drives, so all-SSD configurations on the 8-Bay 2.5" pull slightly less than the 4-Bay LFF with spinning drives despite having more drives. The 350W PSU is the standard option in both cabled (single, non-redundant) and hot-plug redundant variants; there are no higher-wattage Dell-catalog SKUs for this chassis because the platform genuinely does not draw more than approximately 290W at peak.

For any production deployment we spec dual hot-plug redundant 350W Platinum PSUs. The 8-Bay 2.5" workload profile (application servers, transactional systems, VDI) is uptime-sensitive in a way that the 4-Bay LFF file-server profile sometimes is not, which makes the redundant PSU even more load-bearing on this variant. The dual hot-plug redundant 350W option is also the chassis's headline advantage over the R240 at the same Xeon E platform tier.

Cooling is non-hot-swap fans rated for office ambient operation. Acoustics are office-acceptable in all supported configurations. The 8-Bay SFF chassis generates slightly more thermal output than the 4-Bay LFF under equivalent workload because of the higher drive count, but stays well within the platform's thermal envelope.

Physical Specs & Platform Notes

• Form factor: 1U rack, single-socket. Chassis depth is approximately 480 mm (~18.9 inches), identical to the 4-Bay 3.5" variant. Meaningfully shorter than the dual-socket R440 / R540 (~620 mm) and shorter than the R240 (~595 mm). This shorter depth matters for cabinet selection: the R340 8-Bay fits in shallow racks and wall-mount enclosures that won't accommodate full-depth servers. Width is standard 19" rack-mount. Confirm exact chassis dimensions against the Dell technical guide at quote time if the deployment is in a tight-depth enclosure.
• PCIe expansion: two PCIe Gen3 slots. One full-height half-length and one low-profile half-length. PCIe Gen3 throughout - Gen4 arrives at the R350 (15th gen), Gen5 at the R360 (16th gen). No rNDC slot; networking is on-motherboard LOM. Two-slot budget is a real constraint on 8-Bay builds where the typical card count is H730P + 10 GbE NIC, leaving no room for a third add-in card.
• Parts availability: mature. The R340 has been in the channel since 2018 and the secondary-market parts ecosystem is strong: motherboards, PSU assemblies (both 350W cabled and 350W hot-plug Platinum variants), 2.5" drive caddies, BOSS modules, and PERC controllers are all readily available through Wholesale Servers' stocked inventory and broker channels. SFF drive caddies on the 8-Bay variant are a different part number than the LFF caddies on the 4-Bay variant; we confirm caddy compatibility at quote time. Dell ProSupport on the R340 is approaching end of extended support; third-party maintenance is the standard production support path for this platform in 2026.
• Accessories we recommend: the Dell A12 sliding rail kit (shared with R350 / R360, since the chassis is mechanically common across these generations; confirm exact rail SKU at quote time based on the customer's rack make and depth), BOSS-S1 module for boot device isolation on any production build, optional security bezel or LCD diagnostic bezel for front-panel access control and status display (confirm bezel part number at quote time), cable management arm for rack-mounted deployments. Flag at quote time whether rack rails are needed - they are sold separately.
• Platform notes: CPU is socketed and serviceable but not hot-pluggable. UDIMM-only memory; RDIMM and LRDIMM do not POST. No NVMe support at any backplane configuration. No GPU support. The Intel C246 chipset drives the platform with PCIe Gen3 throughout. BOSS-S1 is cold-swap (hot-swap boot arrives at BOSS-S2 on the R350). IDSDM and internal USB are supported for hypervisor-only boot. TPM 2.0 module supported as an option; confirm TPM SKU at quote time if compliance frameworks (NIST, CMMC, FedRAMP, HIPAA, PCI DSS) require it. Welded chassis: 8-Bay 2.5" cannot be field-converted to 4-Bay 3.5", choose the storage profile at purchase.

Our Assessment

Where it excels: the R340 8-Bay 2.5" is the right configuration when the buyer's entry-tier deployment needs SFF drive density and higher IOPS than the 4-Bay LFF can provide. Typical right-fit roles: SMB application servers running line-of-business software with SQL Server Express / Standard or PostgreSQL backends, retail back-office systems where transactional response time matters (POS database, inventory, payroll), modest CI/CD or build infrastructure nodes where the build artifact storage benefits from SSD IOPS, all-SSD compute nodes for development environments, and modest VDI deployments (under 15 light desktops) where boot tier IOPS matter. The all-SSD configuration is the cleanest pattern for this variant. The redundant 350W hot-plug PSU option is the headline advantage of the R340 chassis over the R240 at the same platform tier, and it matters more on 8-Bay deployments where the workload is uptime-sensitive.

Where to look instead: for deployments where bulk capacity matters more than IOPS, the R340 4-Bay 3.5" companion is the better choice - 4 x 20 TB NL-SAS (80 TB raw) dominates 8 x 3.84 TB SSD (30 TB raw) on dollars-per-TB by a wide margin. For memory above 128 GB or any RDIMM requirement, step up to the R440 10-Bay 2.5" (1 TB RDIMM ceiling, NVMe-capable, dual-socket Xeon Scalable). For NVMe of any kind, the R440 hybrid backplane is the 14th gen answer; the R360 16th gen is the current-production entry-tier answer. For multi-VM hypervisor density beyond a few VMs, the R440 / R540 / R740 are the right platforms. For GPU compute or VDI with GPU-accelerated desktops, the R740 or R750xa is the right call. For new production deployment with a 3+ year horizon, the R350 8-Bay 2.5" (15th gen, current Dell production) is the right answer; we will quote it alongside if the budget headroom is there.

Bottom line: the R340 8-Bay 2.5" is the right entry-tier 14th gen 1U when SFF density and IOPS matter, the deployment is SMB or branch-office scope, the budget is constrained, and the workload doesn't exceed the platform envelope. The typical customer is a small business buying a primary application server for a line-of-business workload with a database backend, a retail operation buying a POS-and-inventory host for a single-site or multi-site rollout, a development team buying a CI/CD or all-SSD compute node, or an enterprise IT team buying a modest VDI host for a remote branch. The decision usually comes down to R340 8-Bay versus R340 4-Bay versus R350 8-Bay; the 8-Bay R340 wins on IOPS profile and per-host cost, the 4-Bay R340 wins on dollars-per-TB for capacity workloads, and the R350 wins on current-production support with a 3+ year horizon. We will quote whichever pair the customer wants to compare.

Where the R340 Fits in 2026

The R340 launched in 2018 on the Xeon E-2100 series and was refreshed in 2019-2020 with the E-2200 drop-in. Dell discontinued new R340 production in favor of the R350 (15th gen, Xeon E-2300 Rocket Lake, DDR4-3200, PCIe Gen4, BOSS-S2 hot-swap boot) and the R360 (16th gen, Xeon E-2400 Raptor Lake, DDR5, PCIe Gen5, BOSS-N1 NVMe boot). In 2026 the R340 is fully out of current Dell production and Dell ProSupport on the platform is approaching end of extended support. Wholesale Servers' stocked R340 inventory comes from off-lease and end-of-life enterprise refresh cycles.

For new production deployment with a 3+ year operational horizon, the R350 8-Bay 2.5" or R360 8-Bay 2.5" is the right call from a long-term support and current-firmware perspective. The R340 8-Bay 2.5" remains the right call for cost-constrained deployments where the dollars-per-host advantage outweighs the generation gap, for organizations expanding existing R340 8-Bay infrastructure where firmware and operational tooling are already validated, and for short planned lifecycles (2-3 year horizons or shorter). We will say this directly at quote time.

Cross-Vendor Counterpart

The closest HPE counterpart to the R340 8-Bay 2.5" is the HPE ProLiant DL20 Gen10 in its 8-Bay SFF configuration. Both are 1U single-socket entry-tier rack servers on the Intel Xeon E platform, both target the same workload profile (SMB application servers, retail back-office, modest IOPS-leaning compute), and both share the same fundamental design philosophy. The platforms differ in chassis details (PSU options, exact drive bay layout, and management firmware are not identical), but for a customer comparing entry-tier 1U SFF options across vendors with redundant PSU support, the R340 8-Bay 2.5" and DL20 Gen10 8-Bay SFF configurations are the right side-by-side.

Honest Limitations

• 128 GB memory ceiling. Four DDR4 UDIMM slots, max 128 GB with 32 GB modules. On the 8-Bay 2.5" specifically, this ceiling binds more often than on the 4-Bay LFF because the workloads we deploy on this variant (application servers, VDI, CI/CD) are more memory-hungry. Memory headroom is the most common 8-Bay buyer regret.
• UDIMM only, not RDIMM / LRDIMM. The R340 uses unbuffered ECC DDR4. Registered and load-reduced memory is not supported. If a customer attempts to install RDIMM, the system will not POST.
• Single-socket only. No dual-socket configuration at any chassis variant. For 2-socket compute, the R440 is the smallest dual-socket Dell rack server in 14th gen.
• Max 8 CPU cores. Xeon E-2288G at 8C / 16T is the top SKU. For workloads needing more cores, step to R440 (up to 22 cores per socket).
• 2 PCIe Gen3 slots only. One full-height half-length, one low-profile half-length. Two-slot budget binds on 8-Bay builds where the typical configuration is H730P + 10 GbE NIC; a third add-in card pushes the customer to R440.
• No NVMe support. The chassis backplane is SAS / SATA only on both R340 variants. The 8 SFF bays look NVMe-capable but are not; common buyer recalibration. NVMe at entry-tier 1U arrives at R360 (16th gen).
• No GPU support. Thermal envelope and PSU wattage do not support discrete GPUs. The 8-Bay SFF chassis is tighter on internal airflow than the 4-Bay LFF, making GPU support even less feasible. For VDI with GPU-accelerated desktops, R740 or R750xa.
• No rNDC option for networking. On-board NICs are 2 x 1 GbE LOM only; higher-speed networking requires a PCIe slot.
• 350W PSU is the only option. No higher-wattage Dell-catalog SKUs available. Production deployments need dual hot-plug redundant 350W; the cabled 350W is acceptable only for non-critical lab or test environments.
• BOSS-S1 is cold-swap. Boot module replacement requires system downtime. Hot-swap boot arrives at BOSS-S2 (15th gen R350); NVMe boot at BOSS-N1 (16th gen R360).
• iDRAC9 Basic is the default license. Step up to Express minimum for branch-office or unattended-site deployment; Enterprise for OpenManage Enterprise integration. For 8-Bay application-server roles specifically, Express is non-negotiable.
• Welded chassis: cannot convert to 4-Bay LFF later. The 8-Bay 2.5" chassis cannot be field-converted to the 4-Bay 3.5". Choose the storage profile correctly at purchase.
• Bulk capacity per dollar is much worse than 4-Bay LFF. If raw terabytes are the priority, 4 x 20 TB NL-SAS (80 TB raw) on the 4-Bay LFF dominates 8 x 3.84 TB SAS SSD (30 TB raw) on this variant for dollars-per-TB.
• Superseded by R350 and R360. The 15th gen R350 8-Bay 2.5" and 16th gen R360 8-Bay 2.5" are current-production alternatives. For new deployments with multi-year horizons, the R340 8-Bay is rarely the right answer if the budget supports the newer platforms.

Workload Fit

Where to Look Instead

• R340 4-Bay 3.5" - the LFF companion configuration in the R340 family and the main R340 page. Same Xeon E platform, same memory and I/O envelope, same iDRAC9 management, same chassis dimensions. Four 3.5" hot-swap bays for bulk capacity (up to 80 TB raw with 20 TB NL-SAS drives). Right call when storage profile favors per-spindle capacity over spindle count, and the workload is file-server, modest backup target, or content cache rather than IOPS-leaning compute.
• R240 4-Bay 3.5" Hot-Swap - the same-platform step-down for cost-constrained deployments without redundant-PSU requirements. Same Xeon E platform, same memory architecture, same I/O envelope. No redundant PSU option (single 250W or 450W only). Right call when host-level PSU redundancy does not matter and the budget gap is decisive.
• R240 2-Bay 3.5" Cabled - the absolute lowest-price entry point. Two cabled non-hot-swap bays. Right call for lightweight roles where the budget gap is dominant and the workload is bounded to two drives.
• R440 10-Bay 2.5" - the step up to the Xeon Scalable tier. Dual-socket, 16 DIMM slots with RDIMM up to 1 TB, three PCIe slots plus rNDC, NVMe-capable on the hybrid backplane variant, redundant PSU standard, PERC H740P available. Right call when the R340 design ceilings bind: memory above 128 GB, more than 8 cores, NVMe requirement, more than two add-in cards, or multi-VM hypervisor density.
• R540 12-Bay 3.5" - the 2U LFF storage value-tier at the Xeon Scalable level. Right call for backup targets, archival storage, and storage-dense applications beyond what the R340 8-Bay or 4-Bay can hold.
• R740 16-Bay 2.5" - the 14th gen 2U flagship. Right call for VM-host density, GPU workloads, large-scale VDI, and any deployment where the entry-tier 1U envelope is genuinely too small.

Ready to Configure?

Tell us your workload profile (SMB application server, retail back-office, CI/CD or build host, all-SSD compute node, modest VDI host), your memory requirement and whether you expect growth past 128 GB, your storage architecture preference (all-SSD high-IOPS, mixed SSD-cache + HDD-capacity tier, or all-spinning high-spindle), your drive size and count, your PSU preference (cabled single 350W or dual 350W hot-plug redundant), your iDRAC tier (Basic, Express, or Enterprise), and your quantity. We respond within 24 hours with a configured quote, and if your deployment has a 3+ year horizon we will quote the R350 8-Bay 2.5" alongside for the side-by-side comparison.

Every Wholesale Servers Dell PowerEdge R340 ships after a 12+ hour burn-in test covering every PCIe slot, every memory channel, and every drive bay. Standard 180-day warranty included; 1-Year, 2-Year, and 3-Year Premium warranty options available separately. Volume pricing applies at 5 units and above. Call 1-800-778-1545 or use the quote form on this page to start the configuration conversation.