The Dell PowerEdge R240 4-Bay 3.5" Hot-Swap is the production-grade configuration of Dell's entry-tier 14th gen 1U rack server: four hot-plug LFF drive bays, a single-socket Intel Xeon E-2100 or E-2200 processor, four DDR4 UDIMM slots, and the smallest Dell 14th gen rack chassis in the catalog. Every unit is professionally refurbished, and this is the most economical Dell PowerEdge rack server that still meets enterprise-grade requirements: iDRAC9 lights-out management, ECC memory, hardware RAID via PERC, and a thorough Wholesale Servers burn-in before it ships. We deploy this most often as branch-office file servers, retail back-office controllers, DNS / DHCP / Active Directory replicas at remote sites, edge application hosts, and lightweight virtualization for shops running fewer than five VMs on bounded workloads.

Important upfront: the R240 has been superseded by the R250 (15th gen, Intel Xeon E-2300 series, DDR4 at 3200 MT/s) and the R260 (16th gen, Intel Xeon E-2400 series, DDR5 at 4400 MT/s in a short-depth 17" chassis). For any new production deployment with a 3+ year horizon, the R250 or R260 is the right answer. The R240 is the correct call for cost-constrained deployments, short planned lifecycles, organizations expanding existing R240 infrastructure, environments where a proven platform with mature firmware is preferred over current-generation silicon, or budget-primary builds where the dollars-per-host advantage justifies the older platform. We will say this directly at quote time, and if your deployment has a 3+ year horizon and modest budget headroom we will also quote the R250 4-Bay Hot-Swap for comparison.

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 R240 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.

Where the R240 4-Bay Hot-Swap Fits in the Family

The R240 is Dell's entry-tier 14th gen 1U single-socket rack server, sharing the Intel Xeon E platform with the R340 and the tower-pair T140 / T340 line. Within the 14th gen rack family the R240 sits below the R340 (entry-tier with full hot-swap and bigger PSU options), the R440 (dual-socket Xeon Scalable, 16 DIMM slots, NVMe-capable), the R540 (2U LFF storage value-tier), and the R740 / R740xd flagships. The R240's deliberate design point is the lowest acquisition cost in the Dell 14th gen rack lineup; the chassis is small, the PSU options are limited, the drive maximum is four bays, and the I/O envelope is the minimum that still earns the PowerEdge name.

Within the R240 family there are two chassis configurations: the 4-Bay 3.5" Hot-Swap (this page) and the 2-Bay 3.5" Cabled companion. The 4-Bay Hot-Swap variant is the configuration we recommend for any production-adjacent role: hot-plug drive replacement without downtime, four bays for meaningful RAID flexibility (RAID 6 with two-drive redundancy, RAID 10 with mirror-stripe performance, or RAID 5 at modest drive sizes), and a marginally larger PSU envelope. The 2-Bay Cabled variant exists for the absolute lowest entry price; it uses a cabled non-hot-swap drive backplane and a 250W cabled PSU, which is fine for development hosts, lab gear, and appliance-style deployments where the chassis will not be touched after install, but is the wrong call for any production role where uptime expectations and drive serviceability matter.

Storage - Four Hot-Plug 3.5" LFF Bays

Four 3.5" hot-plug LFF SAS or SATA drive bays. Hot-plug capability means a failed drive can be replaced without powering down the server, which is the dividing line between a production-grade configuration and a maintenance-window-only configuration; this is the primary reason we recommend the 4-Bay Hot-Swap over the 2-Bay Cabled for any role that has uptime expectations. Maximum raw capacity is approximately 80 TB using 20 TB nearline-SAS drives, though most of the deployments we ship sit in the 4 TB to 12 TB per-drive range where the price-per-TB curve is most favorable on the secondary market.

Practical RAID layouts at 4 LFF bays. RAID 6 (2 drives usable, double-parity protection) is our recommendation for archival roles, backup targets, and any deployment where the workload is read-heavy and rebuild time on a failed drive matters. RAID 10 (2 drives usable, stripe-of-mirrors) is the right call for database hosts, virtualization hosts running 2-4 VMs, and any random-write-heavy workload where the parity-write penalty of RAID 5 or 6 would hurt. RAID 5 (3 drives usable, single-parity) is acceptable at modest drive sizes of 4 TB or below; at 8 TB and above on LFF drives, rebuild time on a failed drive grows long enough that the probability of a second failure during rebuild becomes non-trivial, and we steer customers away from RAID 5 at those capacities. RAID 1 (2 drives usable as a mirror) is the small-deployment default when the working set fits on two drives.

Boot drive options: the BOSS-S1 module (Boot Optimized Storage Subsystem; dual mirrored M.2 SATA SSDs on a cold-swap PCIe card, hardware RAID 1) is the recommended boot device for any production build. BOSS-S1 isolates the operating system from the data drives, leaves all four front bays free for data, and provides hardware-mirrored boot redundancy without consuming a drive bay or a PERC channel. On a 4-bay chassis the cost-benefit of BOSS is different than on a 10-bay or 16-bay platform - giving up one of four bays to boot is a 25% capacity hit, where on a 16-bay it is 6% - so BOSS-S1 is more load-bearing on this chassis than on the larger platforms. The alternative is a single onboard SATA M.2 (no hardware mirror, OS recovery is a restore-from-backup event) or boot-from-RAID on the front drives (consumes a drive bay).

The R240 does not support NVMe drives at any chassis configuration. The platform's PCIe lane budget cannot accommodate an NVMe backplane, and there is no PCIe-attached NVMe expansion card we would recommend for this chassis with sensible host-bandwidth headroom. If your workload requires NVMe (database log devices, high-throughput cache tiers, deep-queue random read patterns), the R440 10-Bay 2.5" with the four-bay NVMe hybrid backplane is the next platform up, or the R250 / R260 successors in current production.

Storage Controllers

The R240 supports a reduced PERC controller lineup versus the dual-socket 14th gen platforms; the H740P and the H730 family that appear on R640 / R740 are not in scope here, and there is no flex-bay riser configuration to change that. Confirm exact controller part number at quote time. The controllers we configure on R240 builds:

• PERC H730P (12 Gb/s SAS, 2 GB cache, battery-backed): our default recommendation for any production build. Supports RAID 0 / 1 / 5 / 6 / 10 / 50 / 60. The battery-backed write cache is what makes RAID 5 and RAID 6 viable for transactional workloads; without it, the parity-write penalty pushes write latency outside acceptable ranges for database and VM-host roles. This is the controller we ship by default and the one we recommend for branch-office file servers, Active Directory replicas with meaningful change rate, small SQL Server Express databases, and any RAID 6 archival role.
• PERC H330 (12 Gb/s SAS, no cache): acceptable for cost-minimized builds that need basic RAID 1 or RAID 5 without battery-backed write cache. Use when the workload is read-heavy or when the write workload is so light that the cache absence does not bind. For DNS/DHCP supplementary servers, lightweight Linux services, and appliance-style deployments where the workload writes infrequently, H330 saves cost without compromising the production profile.
• 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 and a hardware RAID layer would add latency rather than reduce it. TrueNAS / FreeNAS, Ceph storage nodes, ZFS pools on Proxmox or Solaris derivatives, and Storage Spaces (not Storage Spaces Direct - the R240 is not a candidate for S2D cluster nodes regardless of controller) all want HBA330 rather than a hardware RAID controller.
• PERC S140 (software RAID via chipset): generally we avoid it for production work. The CPU overhead is real on a single-socket Xeon E platform where every core matters, the recovery tooling is weaker than the hardware controllers, and the boot-time support is OS-version-dependent in ways that make field troubleshooting harder. Acceptable for development hosts and lab gear; not our quote-time default.

Confirm the specific controller SKU at quote time; the secondary-market unit may ship with a controller already installed from prior deployment, and our configurator validates compatibility with the requested drive types and bay count before the unit goes into burn-in.

Processors

The R240 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 base / 4.3 GHz turbo, 71W, no Hyper-Threading, the most cost-minimized Xeon option), the E-2134 (4C/8T, 3.5 GHz, 71W), the E-2146G (6C/12T, 3.5 GHz, 80W), and the E-2186G (6C/12T, 3.8 GHz, 95W, the top-bin E-2100 part).
• Intel Xeon E-2200 series (Coffee Lake Refresh, 14 nm, 2019): 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, our most common quoted SKU for VM-host and database roles), the E-2278G (8C/16T, 3.4 GHz, 80W), and the top-of-platform E-2288G (8C/16T, 3.7 GHz / 5.0 GHz turbo, 95W).

The platform also accepts Intel Pentium Gold, Core i3, and Celeron parts at Dell's option for the most cost-minimized configurations. We do not configure consumer parts for production work: the support story for them through Dell's PowerEdge channel is weaker and they sit below the Xeon E feature line. Note also that on the R240, integrated graphics are disabled regardless of CPU; video is handled by the Matrox G200 in the iDRAC9. For any production R240 we configure a Xeon E exclusively.

SKU recommendation by workload: for branch-office file/print and AD replica roles, the E-2224 or E-2234 is the right balance of clock speed and price. For database hosts, virtualization hosts, and any multi-threaded server workload, the E-2236 (6C/12T) is our most common quoted SKU because the core count headroom matters more than the per-core peak on these roles. For the top-bin compute case where the customer wants the most Xeon E available on the chassis, the E-2288G is the answer; just be aware that 95W TDP is at the top of the R240's thermal envelope and we configure the 450W hot-plug PSU for any E-2288G build to give the PSU a reasonable headroom margin.

Heatsink trap: the R240 ships with a standard heatsink that handles up to the 95W TDP range on this chassis, and unlike the dual-socket Purley platforms there is no high-TDP heatsink SKU to miss at config time. Confirm heatsink part number at quote time, but the configuration error we see on this chassis is not heatsink mismatch; it is PSU mismatch, where a 95W E-2288G has been quoted with the 250W cabled PSU. The 250W PSU does not have enough headroom for the top-bin CPU plus a fully populated drive bay set under sustained load; the 450W hot-plug Platinum is the right call for any E-2236 or higher build.

Memory

Memory topology is four DDR4 UDIMM slots in a two-channel configuration, two DIMMs per channel. Maximum officially supported speed is 2666 MT/s; with the BIOS 2.5.1 update the platform accepts 3200 MT/s UDIMMs but clocks them down to 2666 MT/s in operation. Dell's official memory ceiling is 64 GB using four 16 GB UDIMMs. For any build targeting the memory ceiling we validate the specific UDIMM SKU during burn-in and confirm the BIOS revision before shipping.

UDIMM only - no RDIMM, no LRDIMM, no NVDIMM-N, no Optane PMem. This is the single most-confused point on Xeon E platforms because customers familiar with the Xeon Scalable lineup expect to see the RDIMM / LRDIMM / persistent memory options that the R440 and above support. The R240 is a different memory architecture: unbuffered ECC modules only, no register on the DIMM, and the higher-density and persistent-memory options simply do not work in the slot. If a customer attempts to install RDIMM, the system will not POST. Confirm UDIMM at quote time; if the workload needs more than 64 GB or wants persistent memory, the R440 with RDIMM and the R740xd with Optane PMem are the platforms to step to.

Population rules are simple at four slots: install in matched pairs (channel A pair, channel B pair) to get dual-channel operation. A single DIMM works but runs single-channel and gives up half the memory bandwidth - we never ship single-DIMM configurations and we will catch this at quote time if it appears on a customer-provided BOM. Mixed-capacity DIMMs across the four slots work but the system runs to the lowest common capacity per channel; we configure all four DIMMs at the same capacity for any production build.

Memory ceiling as a workload-fit constraint: 64 GB is enough headroom for almost everything the R240 is the right chassis for - branch-office file servers run comfortably at 32-64 GB, AD replicas and DNS/DHCP servers run fine at 16-32 GB, lightweight virtualization for 2-4 small VMs sits at 32-64 GB. If the working set exceeds 64 GB, the R240 is the wrong chassis regardless of what else fits; step to the R440 (1 TB max with 64 GB RDIMM in 16 slots) or higher.

Networking and PCIe Expansion

I/O is two PCIe Gen3 expansion slots from the single CPU. Slot 1 is a low-profile half-length slot at x4 electrical in an x8 physical connector, suitable for low-profile add-in cards: 10 GbE NICs, supplementary HBAs, and similar. Slot 2 is x16 physical / x8 electrical, accepting either low-profile or full-height half-length cards depending on the riser configuration shipped with the unit; this is where the H730P typically sits on production builds.

There is no rNDC (rack Network Daughter Card) mezzanine slot on the R240. Networking is two 1 GbE LOM ports on the motherboard (Broadcom BCM5720 on most units; the exact NIC controller varies by motherboard revision and we confirm at quote time). The 1 GbE LOM is sufficient for branch-office and small-business workloads where the WAN link or the access switch uplink is the binding constraint on traffic. For any workload that benefits from 10 GbE - backup target with multiple concurrent backup streams, virtualization host serving NFS or iSCSI traffic to multiple clients, or any role where the LAN-side bandwidth matters - we add a dual-port 10 GbE PCIe NIC in slot 2. This consumes one of the two expansion slots, which is the main PCIe-budget consideration on this chassis.

Two-slot PCIe budget is a real constraint. The most common configuration conflict we see is: customer wants H730P (slot 2) + 10 GbE NIC + a supplementary HBA for tape attachment or external SAS expansion. Three cards do not fit in two slots, and the higher-bandwidth cards want the x8 electrical slot. The resolution is either to drop one card (use the 1 GbE LOM and skip the 10 GbE upgrade, or skip the supplementary HBA and run backups via the network), or step up to the R440 which has three PCIe slots plus rNDC and resolves the PCIe-budget conflict at the platform level. We flag this at quote time when the BOM exceeds the slot count.

GPU Support

The R240 does not support GPUs at any configuration. Thermal envelope and PSU wattage are both insufficient even for low-profile compute cards like the NVIDIA T4 (70W TDP, single-slot, low-profile) that fit physically in the chassis: the 450W Platinum PSU does not have enough headroom for a Xeon E plus a fully populated drive bay set plus a 70W GPU plus the chassis baseline draw, and the 1U thermal envelope on the small R240 chassis does not provide reliable cooling for a passively-cooled compute card. The platform was not engineered for GPU workloads and we do not configure them on this chassis.

If your workload needs GPU compute - inference, machine learning training, VDI graphics offload, or transcoding acceleration - the R740 in the 14th gen lineup is the GPU platform, with envelope for up to 3 double-width 300W cards in the 2U chassis. For the current-production GPU answer, the R750xa (15th gen, purpose-built GPU chassis) is the right call. The R240 is the wrong chassis for any GPU role regardless of what compute card is on the BOM.

Management - iDRAC9

Integrated Dell Remote Access Controller 9 with Lifecycle Controller. iDRAC9 is the same firmware family as the R640 / R740 / R740xd and the rest of the 14th gen lineup, though the SKU tiering on the R240 differs slightly from the higher-tier chassis. The R240 ships with iDRAC9 Basic by default; iDRAC9 Express and iDRAC9 Enterprise are available as license upgrades.

• iDRAC9 Basic: hardware health monitoring (CPU temperature, fan speeds, PSU status, drive health via the PERC controller), boot device selection, and basic IPMI access. No virtual console redirection, no virtual media, no SSO group sign-in. Workable for datacenter rack deployments where a crash cart or in-row KVM provides physical-console access when needed.
• iDRAC9 Express: adds virtual console redirection and virtual media. This is the minimum we recommend for any branch-office or remote-site deployment because virtual console is the single most useful management feature when something breaks at a location with no on-site IT - it lets a remote admin watch the POST, change BIOS settings, and mount installation media without physically being at the server.
• iDRAC9 Enterprise: adds vFlash partitions, SSO group sign-in, advanced power monitoring, System Lockdown mode, and the OpenManage Enterprise integration features. For deployments where the R240 is one of many managed servers and the OpenManage console is the operations tool, Enterprise pays for itself in admin time saved.

Lifecycle Controller is the embedded firmware-update and OS-deployment tool, present on every iDRAC9 tier. Lifecycle Controller is what makes a Dell PowerEdge field-serviceable by a technician who does not have the original install media: firmware updates run from the iDRAC, driver packs are kept in onboard storage, and bare-metal OS reinstall can be initiated from the iDRAC web interface. For branch-office deployments where the local site has no IT staff, Lifecycle Controller plus iDRAC9 Express is the management combination that makes the R240 actually serviceable remotely.

Power and Cooling

The R240 does not offer dual hot-plug redundant PSUs at any configuration; both the 250W Bronze and the 450W Platinum are single cabled internal units. This is the most significant power-and-cooling delta versus the R340 (which supports redundant hot-plug PSUs as an option) and a meaningful delta versus the R440 and above (where redundant PSU is the standard configuration). For any deployment where PSU redundancy at the host level is a requirement, the R240 is the wrong platform; step up to the R340 or R440. For deployments where PSU redundancy lives at the PDU or UPS layer (most datacenter and rack-and-stack environments), the single PSU is appropriate and the 450W Platinum is the configuration we recommend for production work.

Cooling is three or four non-redundant, non-hot-swap fans; the chassis is small enough and the thermal load is light enough that field fan replacement is rare and is a service event with the chassis open. Thermal envelope is sufficient for the full Xeon E CPU range (up to the 95W E-2288G) without throttling under sustained load in normal datacenter ambient conditions. Inlet temperature spec is the standard PowerEdge range; confirm specific operating-temperature documentation at quote time if the deployment is in a non-air-conditioned environment.

Physical Specs & Platform Notes

• Form factor: 1U rack, single-socket. Chassis depth is approximately 596 mm (23.5 inches) for the 3.5" configuration, which fits standard 1000 mm rack cabinets comfortably. The R240 is too deep for the shallowest IT-closet enclosures; for shallow racks, the R260 in current production has a short-depth 17" design purpose-built for that environment. Width is standard 19" rack-mount; chassis weight is approximately 12.2 kg (26.9 lb).
• PCIe expansion: two PCIe Gen3 slots from CPU1. Slot 1 is x4 electrical in an x8 physical low-profile half-length connector. Slot 2 is x8 electrical / x16 physical, low-profile or full-height half-length depending on riser configuration. No rNDC slot; networking is on-motherboard LOM. Two-slot budget is a real constraint on multi-card BOMs (see Networking and PCIe Expansion above).
• Parts availability: mature. The R240 has been in the channel since 2018 and the secondary-market parts ecosystem is strong: motherboards, PSU assemblies (both 250W and 450W cabled variants), drive caddies, BOSS modules, and PERC controllers are all readily available through Wholesale Servers' stocked inventory and through broker channels. Dell ProSupport on the R240 is approaching end of extended support; third-party maintenance is the standard production support path for this platform in 2026.
• Accessories we recommend: ReadyRails static rails (the R240 uses static rails, not sliding rails; confirm exact rail SKU at quote time based on the customer's rack make and depth), the optional security bezel for front-panel protection in shared-rack environments, a cable management arm for rack-mounted deployments where rear-of-rack cable strain is a concern, and the BOSS-S1 module for boot device isolation on any production build.
• 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 chassis configuration. No GPU support. Integrated CPU graphics are disabled; video runs through the Matrox G200 in iDRAC9. BOSS-S1 M.2 drives are cold-swap and the BOSS card sits in a PCIe slot. TPM 1.2 / 2.0 module supported as an option; confirm TPM SKU at quote time if compliance frameworks (NIST, CMMC, FedRAMP, HIPAA, PCI DSS) require it.

Our Assessment

Where it excels: the R240 4-Bay Hot-Swap is the right configuration for branch-office primary servers (file/print, AD/DNS/DHCP, lightweight application hosting), retail back-office controllers, edge compute deployments where lowest acquisition cost matters more than expansion headroom, lab and dev/test infrastructure, small SQL Server Express databases, small Exchange or Zimbra mail servers under 100 mailboxes, and backup targets for protected capacity under 50 TB. The hot-plug drive bays make it production-grade where the 2-Bay Cabled companion is not, and the 450W Platinum PSU configuration gives the platform enough headroom for the full Xeon E CPU range with confidence.

Where to look instead: for any role requiring redundant host-level PSU, step up to the R340 4-Bay 3.5" (same generation, redundant hot-plug PSU option) or the R440 10-Bay 2.5" (Xeon Scalable, NVMe-capable, full PSU redundancy standard). For VM-host density (more than 4-5 VMs) or any virtualization workload with VDI density, step to the R440. For more than 64 GB working set or any RDIMM / persistent memory requirement, step to the R440 (RDIMM) or the R740xd (Optane PMem). For SFF density beyond 4 bays in the same generation, the R340 8-Bay 2.5" is the next step at the Xeon E tier. For NVMe of any kind, GPU compute of any kind, or workloads needing more than 2 PCIe slots, the R240 is the wrong chassis regardless. For new production deployment with a 3+ year horizon, the R250 4-Bay Hot-Swap in current production is the right answer; we will quote it alongside if the budget headroom is there.

Bottom line: the R240 4-Bay Hot-Swap is the cleanest production-grade entry-tier Dell rack server we ship. It is the right call when the workload is well-bounded (small, predictable, not growing past the chassis's design ceilings) and the budget is the binding constraint. The typical customer is a small or mid-market business buying a primary server for a branch office or a small headquarters, a managed service provider standardizing on a low-cost-per-host platform for client deployments, or an enterprise IT team buying entry-tier hosts for edge sites, lab gear, or appliance-style single-purpose roles. The decision usually comes down to R240 4-Bay versus R340 4-Bay versus R250 4-Bay; the R240 wins on price, the R340 wins on PSU redundancy with same-generation parity, and the R250 wins on long-term horizon with current-production support. We will quote all three honestly when the customer wants the side-by-side.

Where the R240 Fits in 2026

The R240 launched in 2018 on the Xeon E-2100 series and was refreshed in 2019 with the E-2200 drop-in. Dell discontinued new R240 production in favor of the R250 (15th gen, Xeon E-2300, DDR4-3200) and the R260 (16th gen, Xeon E-2400, DDR5-4400, short-depth 17" chassis). In 2026 the R240 is fully out of current Dell production and Dell ProSupport on the platform is approaching end of extended support. Wholesale Servers' stocked R240 inventory comes from off-lease and end-of-life enterprise refresh cycles, and the secondary-market parts ecosystem is mature: motherboards, PSU assemblies, drive caddies, BOSS modules, and PERC controllers are all readily available.

For new production deployment with a 3+ year operational horizon, the R250 or R260 is the right call from a long-term support and current-firmware perspective. The R240 remains the right call for cost-constrained deployments where the dollars-per-host advantage outweighs the generation gap, for organizations expanding existing R240 infrastructure where firmware and operational tooling are already validated, and for short planned lifecycles (2-3 year horizons or shorter) where the support gap does not bind. We will say this directly at quote time; the customer should make the decision with the full information.

Cross-Vendor Counterpart

The closest HPE counterpart to the R240 is the HPE ProLiant DL20 Gen10. Both are 1U single-socket entry-tier rack servers on the Intel Xeon E platform (Xeon E-2100 / E-2200), both top out at four DDR4 UDIMM slots and 64 GB, both target the same workload profile (branch office, edge compute, small-business primary server), and both share the same fundamental design philosophy of lowest-cost enterprise-grade rack at the Xeon E tier. The platforms differ in chassis details (the DL20 Gen10 is shorter-depth than the R240; PSU and drive-bay options are not identical; management is iLO 5 Standard / Essentials / Advanced on the HPE side versus iDRAC9 Basic / Express / Enterprise on Dell), but for a customer comparing entry-tier 1U single-socket options across vendors, the R240 4-Bay Hot-Swap and the DL20 Gen10 are the configurations to put side-by-side.

Honest Limitations

• Single PSU only. The R240 chassis does not support dual hot-plug redundant PSUs at any configuration. For host-level power redundancy requirements, step up to the R340 (redundant hot-plug option) or the R440 (redundant PSU standard).
• No NVMe support. The platform has no NVMe-capable backplane and the PCIe lane budget cannot accommodate a PCIe-attached NVMe expansion card with reasonable host-bandwidth headroom. If your workload needs NVMe, the R440 10-Bay 2.5" with the four-bay NVMe hybrid backplane is the next step up, or the R250 / R260 in current production.
• No GPU support. Thermal envelope and PSU wattage are insufficient for any GPU including low-profile compute cards. The R740 is the GPU platform in the 14th gen lineup; R750xa in the 15th gen successors for current production.
• Maximum 4 drive bays. The R240 chassis caps at 4 LFF; the R340 supports up to 8 SFF in the same generation, and the R440 / R540 step up to 8-10 SFF and 12-14 LFF respectively. This is the single biggest chassis delta versus the R340 and the primary reason to step up if storage headroom matters.
• UDIMM ECC only, no RDIMM, 64 GB ceiling. The Xeon E platform uses unbuffered ECC memory exclusively; the higher-density RDIMM modules used on R440 and above are not supported. This caps the memory ceiling at 64 GB (four 16 GB UDIMMs) versus the R440's 1 TB and the R740xd's 1.5 TB at the same DIMM count.
• Two PCIe Gen3 slots only. For any deployment needing more than two add-in cards (separate HBA + NIC + supplementary controller, or dual HBA for SAN attachment, or multi-port 10/25 GbE NICs alongside a RAID controller), the R240 PCIe budget runs out fast. Step to the R440 (three PCIe slots plus rNDC) or R540 / R740 (more slots and rNDC).
• iDRAC9 Basic by default. The Enterprise license that unlocks virtual console redirection, virtual media, System Lockdown, and SSO group sign-in costs extra and is sold separately. For branch-office and remote-site deployments we strongly recommend the Enterprise upgrade; for datacenter racks with KVM or crash-cart access, Basic is workable.
• Legacy generation (2018-2019 platform). The R240 is no longer in current Dell production. Spare parts are available through refurbished and broker channels and through Wholesale Servers' stocked inventory, but for any deployment with a 5+ year operational horizon the R250 / R260 successors are the safer long-term call.

Workload Fit

Where to Look Instead

• R240 2-Bay 3.5" Cabled - the companion configuration in the R240 family. Two cabled non-hot-swap LFF bays and a 250W cabled PSU for the absolute lowest entry price in the Dell 14th gen rack lineup. Right call for dev/test hosts, lab gear, and appliance-style deployments where hot-swap serviceability is not required.
• R340 4-Bay 3.5" - same generation, same Xeon E processor platform, same DDR4 UDIMM memory architecture. Adds redundant hot-plug PSU as an option and a slightly larger PSU envelope. Right call when host-level PSU redundancy matters and the budget tolerates the small premium over the R240 4-Bay Hot-Swap.
• R340 8-Bay 2.5" - 8 SFF hot-swap bays in the same generation, same Xeon E platform. Right call when the workload wants SFF density or 8-bay capacity at the Xeon E tier without stepping up to the dual-socket R440.
• R440 10-Bay 2.5" - the immediate step up to the Xeon Scalable tier. Dual-socket, 16 DIMM slots with RDIMM support up to 1 TB, three PCIe slots plus rNDC, NVMe-capable on the hybrid backplane variant, redundant PSU standard. Right call for VM-host density, larger memory footprints, NVMe requirements, or any role where the R240's design ceilings are the binding constraint.
• 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 R240 4-Bay or R340 4-Bay can hold.
• R250 4-Bay Hot-Swap - the current-production successor to the R240. 15th gen, Xeon E-2300 series, DDR4 at 3200 MT/s. Same single-socket Xeon E philosophy and same 4 LFF chassis profile, with current Dell production status and PowerEdge warranty support. Right call for new production deployment with a 3+ year operational horizon.
• R230 2-Bay 3.5" Cabled - the prior-generation step-down. 12th gen, Intel Xeon E3-1200 v6, DDR4 at 2400 MT/s, iDRAC8. The budget-context floor below the R240. Right call only when an even lower acquisition cost outweighs the older management generation and slower memory; for most buyers the R240 is the better value at a small premium.

Ready to Configure?

Tell us your workload profile (file server, AD replica, virtualization host, backup target, edge compute, application appliance), your memory requirement, your drive size and count, your PSU preference (250W or 450W Platinum), 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 R250 4-Bay Hot-Swap alongside for the side-by-side comparison.

Every Wholesale Servers Dell PowerEdge R240 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.