Dell PowerEdge R750xs 8-Bay 2.5"

Configure Your System:

Currently Configured: $4,741.60
1 Processor Required
Series
Category
CPU (2x included in build)
Component Guide Processor. This step works in two passes. Pick a processor tier first, then the CPU that fits your workload and licensing.

Step 1: Choose a tier

Xeon Silver (4300 series) is the value tier: solid dual-socket compute for general duty, with memory running at 2666 MT/s.

Xeon Gold (5300 and 6300 series) is the mainstream of this platform and our default recommendation: more cores, higher clocks, and faster memory support, 2933 MT/s on the 5300s and the full 3200 MT/s on the 6300s.

Xeon Platinum options here run up to 32 cores per socket for dense consolidation; the xs platform is tuned for value, and most builds land comfortably in Gold before Platinum makes sense.

One connection worth knowing before you pick: your processor tier sets your memory speed. The DIMMs in the memory step run at whatever your CPU supports, so a Silver chip quietly caps the memory bus you paid for. It is one of the honest arguments for Gold.

Whichever tier you pick, populate both sockets; half the memory channels and PCIe lanes route through the second CPU.

Step 2: Choose your CPU

Running Windows Server? Two 8-core CPUs land exactly on the 16-core base license, and our pick is the Gold 6334 (8 cores, 3.6 GHz): top clocks per core, full 3200 memory speed, nothing wasted on the license.

Virtualizing on vSphere? VMware licenses a 16-core minimum per socket, so the 8-core strategy buys you nothing there; take 16-core parts and use every core you are paying to license.

General consolidation lands in the middle Golds. And if your spec sheet keeps climbing toward the top of the menu, look at the standard R750 before you buy the xs to its limits; we will tell you honestly which chassis your workload wants at 1-800-778-1545.
2 Heat Sink Optional
Component Guide Heat Sink. Heatsinks on the R750xs are a simple story: the standard heatsinks cover the processor menu we offer for this chassis, and your build ships with the correct pair for the CPUs you pick. The xs platform's value-tuned processor range stays inside the standard cooling envelope, which is part of how it keeps its price.

What still matters is airflow discipline. Keep every drive bay blank and internal shroud installed; the R750xs cools front to back, and an open path lets air skip the components that need it. Give it real datacenter intake air where you can; it will run in a well-ventilated closet, but fan and drive life is better in a cold aisle.

If your plans include accelerator cards or unusually warm environments, call 1-800-778-1545 before checkout and we will confirm the thermal picture for your exact build.
3 Memory (RAM) 16 DIMM slots, modules added in sets of 2 Required
Total Installed Memory
RAM Clock Speed
RAM Configuration
Component Guide Memory. The R750xs carries 16 DIMM slots, eight per socket, one for each of the platform's eight memory channels per CPU. That layout is the xs value formula: full channel bandwidth, without the second bank of slots the standard R750 carries.

What that means in practice:

Full population is full bandwidth. Sixteen matched DIMMs engages every channel once at the platform's full speed, and that is our default and the natural build for this chassis.

Your processor sets the speed: Silver CPUs run memory at 2666 MT/s, Gold 5300s at 2933, and Gold 6300s and up at the full 3200. The configurator pairs the right DIMMs with your chip.

Below sixteen, populate in multiples of eight and keep both sockets even; a lopsided population starves channels you paid for.

Size for the future, honestly. Sixteen slots is also the ceiling, so growth on this chassis means swapping DIMMs for bigger ones rather than adding sticks. Buy the capacity target as one matched set now; a year from now, matching rank and speed against installed DIMMs is a maintenance-window project you can avoid today.

Common landing spots: 128 GB (16x 8 GB) for general duty, 256 GB (16x 16 GB) is our default virtualization host, and 512 GB (16x 32 GB) when the databases move in.
4 RAID Controllers Optional
Dell 15th Gen RAID Controllers - R750
Component Guide RAID. These are Dell's PERC 11 controllers, a genuine generational step up in cache and throughput, and the workload makes the choice.

PERC H745 (4 GB cache) is the configurator default and our pick for most builds: a large battery-backed cache, full RAID levels, and throughput that keeps a busy backplane honest.

PERC H755 (8 GB cache) is the step up for write-heavy duty on a loaded chassis: big parity arrays, database volumes, and backplanes that stay busy.

PERC H345 is the entry option for boot mirrors and light RAID duty; honest for a host whose local storage is just the OS pair, and not for parity arrays you care about. PERC H355 sits just above it for simple RAID 1/10 duty.

Building vSAN, Storage Spaces Direct, Ceph, or ZFS? Those stacks want direct drive access through an HBA rather than a RAID controller; call 1-800-778-1545 and we will spec the HBA355 for that build.

Array guidance regardless of controller: RAID 10 where write latency matters, RAID 6 over RAID 5 on large spinning drives, and a hot spare on any array whose rebuild you would rather not race.
5 Storage Drives Select up to 8 drives (0/8 Slots Used) Optional
Recommended Drives
Show New SAS SSDs 2.5"
Show New SATA SSDs 2.5"
Show New SAS HDDs 2.5"
Show Refurbished SAS SSDs 2.5"
Show Refurbished SAS HDDs 2.5"

Drive trays are included and matched to your chassis automatically

Component Guide Drive. Drives are the number one failure point on any server, so this decision deserves more attention than the spec sheet suggests.

The 2.5" R750xs takes SAS and SATA in both flavors: SSDs for anything latency-sensitive (virtualization datastores, databases, application volumes), 10K SAS spinning drives where capacity per dollar matters more than IOPS, and a mix is often the honest answer, fast tier up front, bulk behind it. If your workload is truly latency-first, the NVMe version of this chassis is built for exactly that.

Buy new. We steer you away from refurbished on drives specifically, and we say that as a company that sells refurbished servers all day. The chassis, board, and power supplies in a refurbished R750xs have proven themselves through our burn-in; a used drive with unknown hours is a different bet, and a rebuild is exactly when you do not want to lose a second one.

Boot the right way: the BOSS card in the Add-Ons step carries a mirrored pair of M.2 drives dedicated to the operating system, keeping every front bay for data and separating a boot failure from a data failure permanently. It is standard practice on this platform and we recommend it on every build.

Fair warning on capacity math: RAID overhead, hot spares, and filesystem headroom mean usable space lands well under the sum of the labels. Size for the usable number, and when in doubt, one drive size up is cheap insurance.
6 Remote Access Required
Component Guide Remote Access. The R750xs ships with iDRAC9, the best out-of-band management Dell has built, and the license determines what you can do with it.

The dividing line is the remote console. iDRAC9 Enterprise gives you remote KVM and virtual media through a clean HTML5 interface: reach the server's screen, mount an ISO, and rebuild an OS from anywhere, even when the operating system is down. The lower tiers leave you walking to the rack for any problem below the OS.

Enterprise is the configurator default and our pick. The xs buyer is choosing value, and this is the one line where we will argue against saving the money: the license costs a fraction of one emergency site visit, and the first bad firmware day pays for it.

Enterprise also brings automated firmware updates, telemetry streaming, and secure erase for the day the server retires holding company data.

Skip it only when the server sits down the hall and someone can physically reach it without ceremony, and even then, think about whether that stays true for the machine's whole life.

If you are deploying 5 or more units, take Enterprise on all of them. Fleet management without remote console access does not work in practice.
7 Power Supply 2x included in build Required
Component Guide Power Supply. Every option here is a dual hot-swap redundant pair, so redundancy and serviceability are already handled. The only decision is wattage.

2x 600W is the configurator default and fits the xs mission: Silver or mid-Gold processors, a sensible memory load, and a bay of SSDs land inside it with room to work.

2x 800W is our pick when the build fills out: higher-TDP Gold silicon, a full backplane of drives, or all sixteen DIMM slots loaded. The price step is small and it buys the 50 percent load target, where a PSU runs at peak efficiency, runs cooler, and lasts longer than one working near its limit.

2x 1400W covers the heavy end: a full NVMe backplane under top silicon, or a loaded spinning-disk chassis where twelve drives pull their peak current at spin-up, exactly when the server is busiest bringing everything else online.

Watch the estimated TDP counter at the bottom of the page as you add components to see where your build lands, and when it sits between two tiers, size up; the price difference is a rounding error against the efficiency and headroom you get back.
8 Network Cards Required
Component Guide Network Card. The R750xs uses the OCP 3.0 mezzanine slot for its primary network card, the modern successor to Dell's daughter cards: it does not consume a PCIe slot, and cards slide out for service without opening the chassis. Two decisions: speed and port type.

Quad 1 GbE covers file, print, and light application duty, and it is the honest budget answer when the clients are desktops on gigabit switching.

10 Gb is the floor the moment this server hosts a busy hypervisor, shared storage, or backup traffic on a deadline. The dual and quad 10 Gb options, and 25 Gb where the switching exists, match what this platform can actually push; a modern build bottlenecked at gigabit is a mismatch you feel daily.

Then port type, and this is the one that catches people. SFP+/SFP28 ports take fiber or DAC cables and talk to datacenter-grade switches. BASE-T ports are 10 Gb copper on ordinary RJ45. Neither is better; they must simply match your switch. Order SFP against a copper-only switch and the server racks up with nothing to plug into.

Need more ports, or separate links for storage and VM traffic? PCIe network cards stack on top of whatever you choose here. Call 1-800-778-1545 and we will spec the whole path, switch ports included.
9 Operating System Required
Operating System
Component Guide Operating System. We install, license, and burn-in test your OS before shipping, so the server arrives ready to join the network.

The good news on this platform: the R750xs is current enough that every modern OS supports it fully, so the choice is about your environment, not compatibility.

Windows Server 2022 is the mainstream pick, and Windows Server 2025 is fully supported here if you want the newest platform. Licensing is per core with a 16-core base, which is why our processor guidance steers Windows buyers to two 8-core CPUs: the 16-Core license covers that build exactly. Past 16 total cores, you need the larger license tiers. On CALs, count your users and round up.

Fair warning on Evaluation Editions: free and fully functional for 180 days, then they expire. Right for labs and proof-of-concept, wrong for production.

VMware ESXi is fully supported on this platform, and for shops standing on vSphere the xs is an economical first-class host; we will install the version your cluster runs.

Proxmox VE is our quiet favorite for new virtualization deployments: open-source KVM with clustering and live migration, no per-core license math, and it pairs beautifully with the value story that brought you to the xs in the first place.

Ubuntu Server LTS covers Linux application duty with five years of free updates, and No OS is there for teams imaging from their own deployment infrastructure.

Not sure which fits? Tell us the workload at quote time, or call 1-800-778-1545.

WServer Warranty


Dell PowerEdge R750xs 8-Bay 2.5" Drives [15th Gen] Detailed Review

The Dell PowerEdge R750xs 8-Bay 2.5" Hot-Swap is the canonical configuration of Dell's 15th gen cost-optimized 2U rack platform: eight 2.5" hot-plug bays on the Universal Backplane with native PCIe Gen4 NVMe, dual 3rd Generation Intel Xeon Scalable processors (Ice Lake-SP, socket LGA 4189, Intel C621A chipset), 16 DDR4-3200 DIMM slots, and PCIe Gen4 throughout. It is the value-tier step down from the R750 flagship: half the DIMM slots, fewer PCIe slots, a Silver and Gold tier CPU ceiling, and a smaller power envelope, priced for scale-out deployments where the full R750 envelope is more than the workload requires.

The "xs" suffix is widely misread. The R750xs is dual-socket-capable: it has two sockets that accept matching 3rd Gen Xeon Scalable processors. What "xs" signals is cost-optimized economics for workloads that often run single-socket but want the option to scale to two sockets later. It is not single-socket-only, and earlier copy (including our own) that framed it that way was wrong and is corrected here. As a 15th gen platform, the R750xs is no longer sold factory-new by Dell. Wholesale Servers stocks it refurbished and fully tested, as the cost-correct alternative to R750 flagship pricing or to stepping up to the 16th gen R760xs before the workload genuinely needs Sapphire Rapids.

To spec an R750xs build, call 1-800-778-1545 or use the quote form on this page; we respond within 24 hours. Every unit ships after a 12+ hour burn-in that exercises every memory channel, every PCIe slot, and every drive bay, and carries our standard 180-day warranty, with 1-Year, 2-Year, and 3-Year Premium options available. Volume pricing applies at 5 units and above.

The 8-Bay 2.5" SFF is the canonical R750xs configuration because the platform's defining capabilities (native front-bay PCIe Gen4 NVMe via the Universal Backplane, vSAN ESA support, and mixed-protocol storage flexibility) are SFF-only. The LFF variants are SAS/SATA only; the NVMe story lives entirely on the SFF chassis. This mirrors the SFF-canonical logic applied to the R650 and R650xs families: when the defining capability is SFF-only, the SFF variant is the reference page and the LFF variants are the capacity-specialization exceptions.


Where the R750xs Fits in the Family

The R750xs sits one tier below the R750 in Dell's 15th gen 2U lineup. Same Ice Lake generation, same 2U chassis footprint, lower envelope. Against its neighbors:

  • vs. the R750 flagship: the R750 doubles the DIMM count to 32 slots, supports 40-core Platinum CPUs and Optane PMem, carries up to 8 PCIe Gen4 slots, and goes up to a 2400W PSU tier. The R750xs trades that headroom for roughly 15 to 30 percent lower cost per node. Choose the flagship only when the workload actually uses one of those flagship-only capabilities.
  • vs. the R650xs (1U pair): the R650xs 8-Bay 2.5" is the same cost-optimized philosophy in a 1U chassis with a tighter 3-slot PCIe budget. For rack-density edge nodes that fit 1U, the R650xs is the pair-partner; for scale-out nodes that need 2U PCIe expansion, the R750xs is the answer.
  • vs. the 14th gen R540 (predecessor): the R540 is the Cascade Lake value 2U. The R750xs adds PCIe Gen4, Universal Backplane NVMe, 8-channel memory per socket, Ice Lake per-core gains, and vSAN ESA support.
  • Chassis siblings: the 8-Bay NVMe ships all bays NVMe-configured for ESA and NVMe-oF; the 16-Bay 2.5" doubles SFF density; the 8-Bay 3.5" and 12-Bay 3.5" are the LFF capacity variants.

Processors

Dual 3rd Generation Intel Xeon Scalable (Ice Lake-SP) processors on socket LGA 4189. The R750xs supports Silver and Gold tier Ice Lake SKUs up to 32 cores per socket. It does not support the top-bin Platinum 8380 (40 cores) or the other high-end Platinum SKUs; those are reserved for the R750 flagship. The 32-core-per-socket ceiling is a genuine platform validation limit, not just a thermal restriction.

Common SKU choices we see in deployment:

  • Silver 4314 (16 cores, 2.4 GHz, 135W): the volume entry-tier choice. Strong per-socket core count at the lower TDP, friendly to the R750xs's smaller power envelope. Most cost-primary deployments land on the Silver 4314 or 4310.
  • Silver 4316 (20 cores, 2.3 GHz, 150W): a little more core count, still inside the Silver TDP band.
  • Gold 5318Y (24 cores, 2.1 GHz, 165W): the balanced-performance pick when 20 cores per socket is not enough but the Gold 6338 step is too much.
  • Gold 6338N (32 cores, 2.2 GHz, 185W): the maximum-core R750xs configuration. The N suffix is network-optimized tuning. 32 cores per socket is 64 cores in a single 2U chassis at meaningfully lower acquisition cost than the equivalent R750 build.

Single-socket configurations are supported and common; it is the volume R750xs deployment pattern. Dual-socket is there when the workload scales beyond 32 cores or needs the second socket's PCIe lanes. Both sockets must carry matching CPUs; mixed-SKU dual-socket is not supported, and the second socket is not a standard field upgrade, so plan socket count at procurement.


Memory

16 DDR4 DIMM slots: 8 per CPU, one DIMM per channel, 8 memory channels per socket. This is half the DIMM count of the R750 flagship (32 slots). DDR4-3200 is supported on Gold tier and most Silver tier SKUs; lower-bin Silver may cap at 2933 MT/s. Registered ECC DIMMs only.

Maximum supported memory is 1 TB with 16 x 64 GB RDIMM, the standard production maximum for this platform. Optane PMem is not supported on the R750xs; PMem is an R750 flagship feature. The 1 DPC topology means there is no path to expand memory by adding a second DIMM per channel later; the 16 slots populated at your chosen DIMM size is the maximum, so size memory at procurement. For workloads that need more than 1 TB or Optane PMem, the R750 16-Bay 2.5" is the platform.


Storage - 8 SFF Bays with Universal Backplane

Eight 2.5" hot-swap front bays on the Universal Backplane. The Universal Backplane is the headline 15th gen storage capability and the R750xs's primary architectural advantage over the 14th gen R440/R540: native PCIe Gen4 NVMe, SAS, and SATA in the same physical bays, configured at build time.

  • PCIe Gen4 NVMe (via Universal Backplane): up to 8 native front-bay NVMe drives at roughly 7 GB/s sequential read per drive. Gen4 doubles Gen3 bandwidth, which matters for write-intensive databases, vSAN ESA, NVMe-oF clients, and any sub-100 microsecond latency workload. Specify NVMe at quote time; it requires the NVMe-capable backplane SKU, and not every 8-bay shipment defaults to NVMe.
  • SAS SSD mixed-use (1-3 DWPD): high-endurance dual-port SAS SSDs for database nodes and write-intensive applications where SAS reliability is preferred or NVMe latency is not required.
  • SAS SSD read-intensive (0.1-1 DWPD): cost-optimized for read-dominant workloads.
  • SATA SSD: the lowest-cost SSD tier for VDI master images, web application servers, and read-dominant workloads.
  • Mixed NVMe and SAS: some Universal Backplane SKUs partition NVMe and SAS bays in the same chassis, giving a hot NVMe tier alongside a warm SAS tier.

BOSS-S1 is the boot path on the R750xs: a PCIe add-in card carrying two mirrored M.2 SATA SSDs in hardware RAID 1. Unlike the R650, which has a built-in chassis BOSS slot, the R750xs uses the add-in BOSS-S1 card form factor; the boot capability is identical, and all 8 front bays stay available for data when BOSS-S1 carries the OS. IDSDM and internal USB are also available for hypervisor boot.


Storage Controllers

  • PERC H755 (8 GB flash-backed cache): our recommendation for production SAS/SATA storage with write workloads, and the standard R750xs hardware RAID controller. NVMe drives in the same chassis connect directly and do not pass through the H755.
  • PERC H745 (4 GB flash-backed cache): the mid-tier choice for read-dominant SAS/SATA workloads.
  • PERC H355 / H345: entry-tier RAID for cost-sensitive builds. These are RAID 0, 1, and 10 only. They do not do RAID 5 or RAID 6; for parity RAID, the H755 or H745 is required.
  • HBA355i (pass-through): required for vSAN ESA, Ceph, ZFS, and software-defined storage. Presents drives directly to the OS with no RAID controller in the data path.
  • S150 software RAID: chipset-level software RAID, for very entry-tier configurations only.

Processors and Memory Footnote

Both sockets share the 8-channel Ice Lake memory topology described above; a single-socket build populates only 8 of the 16 DIMM slots and halves both memory bandwidth and capacity. If a single-socket node is likely to grow, populate it with that future second socket's memory plan in mind.


Networking and PCIe Expansion

The R750xs uses OCP NIC 3.0, the 15th gen networking shift away from the rNDC mezzanine of the 13th and 14th gen platforms. One OCP 3.0 slot plus the PCIe Gen4 expansion slots. For production 2U deployments 25 GbE is the standard recommendation; even the R750xs's lower compute envelope can saturate 10 GbE under concurrent storage and application load.

  • Dual-port 25 GbE SFP28 (OCP 3.0): standard for production R750xs deployments. Broadcom BCM57414 and NVIDIA ConnectX-5 variants both qualified.
  • Dual-port 100 GbE QSFP28: for NVMe-heavy or storage-serving configurations where aggregate throughput justifies 100 GbE.
  • Dual or quad-port 10 GbE SFP+: legacy compatibility and VLAN segmentation.
  • Quad-port 1 GbE RJ45: management and lower-bandwidth deployments.

PCIe expansion is up to 6 slots: 5 PCIe Gen4 plus 1 PCIe Gen3, all low-profile, per Dell's R750xs technical guide. That is fewer than the R750 flagship's up to 8 Gen4 slots and reflects the value-tier positioning. The 6-slot budget covers most R750xs profiles: a dual-port 25 GbE OCP, a dedicated HBA, an optional GPU, and a spare. SNAP I/O support lets some adapters run low-profile without consuming an additional connector, useful for high-port-density network builds.


GPU Support

The R750xs is not a GPU-compute platform, and it is worth being plain about that before a buyer specs one for the wrong job. The 2U chassis and the value-tier power and PCIe budget support up to two single-width 75W accelerators (NVIDIA T4, A2, or L4) for light inference, VDI acceleration, or transcode. There is no headroom for double-width 300W+ training GPUs. For serious GPU compute, the R750 or the purpose-built R750xa is the right platform; the R750xa carries the multi-GPU thermal and power design the xs intentionally omits to hit its price point.


Management - iDRAC9 Generation

iDRAC9 Enterprise is the production recommendation. This is the enhanced 15th gen iDRAC9 shared with the R650 and R750: improved NVMe monitoring at Gen4 speeds, Active Health System, Secured Component Verification, iDRAC Direct via front-panel micro-USB, and Quick Sync 2.0. A hardware Silicon Root of Trust validates firmware at boot, with Secure Boot, signed firmware updates, and System Lockdown on the Enterprise and Datacenter tiers. TPM 2.0 is standard, and the Lifecycle Controller handles agent-free deployment and firmware management.


Power and Cooling

The R750xs supports a wider low-end PSU range than the R750 flagship, reflecting its lower draw. Available tiers are 600W, 800W, 1100W, and 1400W Platinum or Titanium. The 600W option is R750xs-specific; the R750 flagship does not offer it, and the flagship's 2400W tier is not available here.

Workload Profile Typical Draw PSU Recommendation
Light: single Silver CPU, modest memory, half-populated drives 150-250W 2 x 600W or 800W Platinum redundant
Balanced: dual Gold CPU, 256-512 GB memory, full 8 SAS SSD or NVMe 300-500W 2 x 1100W Platinum redundant
Heavy: dual Gold 6338N, 1 TB memory, full NVMe, dedicated HBA plus 100 GbE 450-700W 2 x 1400W Platinum redundant

Both PSUs must match; mixed wattages are not supported. Standard fans cover all R750xs CPU and storage combinations, since the 32-core TDP ceiling stays below the threshold where high-performance fans become necessary.


Physical Specs and Platform Notes

  • Form factor: 2U rack, standard 19-inch mount, chassis depth roughly 28 inches. Same external dimensions as the R750; verify rack depth at quote time.
  • PCIe expansion: up to 6 slots (5 Gen4 plus 1 Gen3), all low-profile. Plan placement so Gen4 NICs and HBAs avoid the single Gen3 slot.
  • Parts availability: strong. The 15th gen platform is well inside active Dell ProSupport coverage, and parts supply for CPUs, DIMMs, PERC controllers, PSUs, and drives is excellent.
  • Accessories we recommend: the B21 2U sliding rail kit (shared across R550 / R750xs / R760), an optional security bezel with LCD, and the BOSS-S1 boot card to keep the OS off the front bays.
  • Platform notes: the two PSU bays sit adjacent on the R750xs rather than spread apart as on the R750, a serviceability and airflow difference rather than a functional one. The BOSS-S1 add-in card consumes one PCIe slot, so account for it in the slot budget. The second CPU socket is not a standard field upgrade.

Our Assessment

Where it excels: the R750xs 8-Bay 2.5" is the right call when you need 15th gen platform currency (Ice Lake, PCIe Gen4, Universal Backplane NVMe, vSAN ESA capability) in a 2U dual-socket-capable chassis at meaningfully lower cost than the R750 flagship. Scale-out virtualization clusters, software-defined storage nodes, mid-density application servers, and VDI deployments where 32 cores per socket and 1 TB of memory cover the requirement are the canonical use cases. The per-node saving over the R750 is real, typically 15 to 30 percent, and it compounds at cluster sizes of 10 or more nodes.

Where to look instead: workloads that genuinely need 40-core Platinum CPUs, more than 1 TB of memory, Optane PMem, more than 6 PCIe slots, or serious GPU compute belong on the R750 flagship. If the design driver is maximum NVMe density per node, the R750 24-Bay goes to 24 Gen4 NVMe. If you want the same economics in 1U, the R650xs is the pair-partner.

Bottom line: this is the 15th gen 2U scale-out workhorse for the buyer who wants current-generation storage architecture and Ice Lake compute without paying flagship pricing. It is the default R750xs configuration; step up to the R750 only when the deployment has a specific reason the value-tier envelope cannot cover, and step out to the LFF or higher-density SFF siblings only when the bay profile changes.


Where the R750xs Fits in 2026

The R750xs launched in 2021 on the Ice Lake-SP platform and remains a current-architecture 2U server. Its successor, the 16th gen R760xs (Sapphire Rapids and Emerald Rapids, DDR5, PCIe Gen5), is shipping, but most R750xs-class workloads do not yet saturate DDR4-3200 or PCIe Gen4, which is what makes a tested refurbished R750xs the cost-correct buy for scale-out and value-tier 2U deployments in 2026. Against the 14th gen R440/R540 it replaces, the R750xs is a genuine generational step up in memory channels, PCIe generation, and storage architecture. The platform earns its place when you want 15th gen currency and Universal Backplane flexibility on infrastructure planned through the late 2020s, and when per-node cost is a design metric rather than an afterthought.


Honest Limitations

  • Half the DIMM count of the R750. 16 slots versus 32 means a 1 TB RDIMM ceiling, no 2 DPC path, and constrained expansion. Plan memory at procurement; you cannot scale it up later in the same chassis.
  • No Optane PMem. PMem 200-series is a flagship feature. PMem workloads belong on the R750.
  • CPU ceiling at 32 cores per socket. The Platinum 8380 and other top-bin Platinums are not supported. High-end compute-bound workloads belong on the R750.
  • BOSS-S1 is an add-in card, not a chassis slot. Functionally identical to the R650's built-in BOSS, but it consumes a PCIe slot; account for it in the slot budget.
  • Reduced PCIe slot count. 6 slots (5 Gen4 plus 1 Gen3) versus 8 on the R750. A build with a dedicated HBA plus 100 GbE plus a GPU plus NVMe expansion can run the slot budget tight.
  • One Gen3 slot in the count. Per Dell's tech guide, one of the six slots is Gen3, not Gen4. Place Gen4 NICs and HBAs accordingly.
  • Limited GPU support. Up to two single-width 75W cards. Not a GPU-compute platform.
  • Second socket is not a field upgrade. Single-socket Ice Lake is supported and common, but adding the second CPU later is not a standard service. Decide socket count at procurement.

Workload Fit

Right for Consider alternatives for
Scale-out virtualization clusters (cost-per-node optimization) Need 40-core Platinum CPUs (use the R750)
vSAN ESA single or dual-socket nodes (NVMe configured) Need more than 1 TB memory or Optane PMem (use the R750)
Software-defined storage nodes (Ceph, GlusterFS, ZFS) Need more than 6 PCIe slots (use the R750)
Medium-density VDI hosts (lower cost per seat) GPU-heavy workloads (use the R750 or R750xa)
General-purpose application servers needing 2U expansion 1U deployments with modest expansion (use the R650xs)
NVMe SFF storage via Universal Backplane LFF capacity storage (use the R750xs 8-Bay or 12-Bay 3.5")

Where to Look Instead

  • Need all bays NVMe out of the box? The R750xs 8-Bay NVMe ships ESA-ready with every bay NVMe-configured.
  • Need more SFF density? The R750xs 16-Bay 2.5" doubles the bay count on the same platform.
  • Need LFF capacity drives? The R750xs 8-Bay 3.5" and 12-Bay 3.5" are the NL-SAS capacity variants.
  • Need the flagship envelope? The R750 16-Bay 2.5" brings 32 DIMM slots, Platinum CPUs, and Optane.
  • Cost-primary at 14th gen? The R540 12-Bay 3.5" is the lower-cost Cascade Lake predecessor.
  • HPE shop? The closest HPE counterpart at this tier is the ProLiant DL380 Gen11 (2U dual-socket); we quote it on request.

Ready to Configure?

Tell us your workload, single or dual-socket target, NVMe versus SAS/SATA preference, vSAN architecture if applicable, memory target, network speed requirement, and quantity. We respond within 24 hours and will quote the R750 flagship alongside it where the envelope comparison is relevant. Volume pricing applies at 5 units and above.

Every Wholesale Servers R750xs ships after a 12+ hour burn-in test covering every PCIe slot, every memory channel, and every drive bay. Standard 180-day warranty included, with 1-Year, 2-Year, and 3-Year Premium warranty options available. Call 1-800-778-1545 or use the quote form on this page to start a configuration.

Estimated TDP Draw: 0W
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Dell PowerEdge R750xs 8-Bay 2.5"

8-Bay 2.5"

Subtotal $4,741.60
Estimated TDP Draw 0W
Build total $4,741.60

Choosing Memory for Your Dell PowerEdge R750xs

The R750xs carries 16 DIMM slots, eight per socket, one for each of the platform's eight memory channels per CPU. That layout is the xs value formula: full channel bandwidth, without the second bank of slots the standard R750 carries. What that means in practice: Full population is full bandwidth. Sixteen matched DIMMs engages every channel once at the platform's full speed, and that is our default and the natural build for this chassis. Your processor sets the speed: Silver CPUs run memory at 2666 MT/s, Gold 5300s at 2933, and Gold 6300s and up at the full 3200. The configurator pairs the right DIMMs with your chip. Below sixteen, populate in multiples of eight and keep both sockets even; a lopsided population starves channels you paid for. Size for the future, honestly. Sixteen slots is also the ceiling, so growth on this chassis means swapping DIMMs for bigger ones rather than adding sticks. Buy the capacity target as one matched set now; a year from now, matching rank and speed against installed DIMMs is a maintenance-window project you can avoid today. Common landing spots: 128 GB (16x 8 GB) for general duty, 256 GB (16x 16 GB) is our default virtualization host, and 512 GB (16x 32 GB) when the databases move in.

Choosing Your iDRAC License

The R750xs ships with iDRAC9, the best out-of-band management Dell has built, and the license determines what you can do with it. The dividing line is the remote console. iDRAC9 Enterprise gives you remote KVM and virtual media through a clean HTML5 interface: reach the server's screen, mount an ISO, and rebuild an OS from anywhere, even when the operating system is down. The lower tiers leave you walking to the rack for any problem below the OS. Enterprise is the configurator default and our pick. The xs buyer is choosing value, and this is the one line where we will argue against saving the money: the license costs a fraction of one emergency site visit, and the first bad firmware day pays for it. Enterprise also brings automated firmware updates, telemetry streaming, and secure erase for the day the server retires holding company data. Skip it only when the server sits down the hall and someone can physically reach it without ceremony, and even then, think about whether that stays true for the machine's whole life. If you are deploying 5 or more units, take Enterprise on all of them. Fleet management without remote console access does not work in practice.

Choosing Your R750xs Power Supply

Every option here is a dual hot-swap redundant pair, so redundancy and serviceability are already handled. The only decision is wattage. 2x 600W is the configurator default and fits the xs mission: Silver or mid-Gold processors, a sensible memory load, and a bay of SSDs land inside it with room to work. 2x 800W is our pick when the build fills out: higher-TDP Gold silicon, a full backplane of drives, or all sixteen DIMM slots loaded. The price step is small and it buys the 50 percent load target, where a PSU runs at peak efficiency, runs cooler, and lasts longer than one working near its limit. 2x 1400W covers the heavy end: a full NVMe backplane under top silicon, or a loaded spinning-disk chassis where twelve drives pull their peak current at spin-up, exactly when the server is busiest bringing everything else online. Watch the estimated TDP counter at the bottom of the page as you add components to see where your build lands, and when it sits between two tiers, size up; the price difference is a rounding error against the efficiency and headroom you get back.

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Click the Add to Quote button at the bottom of your screen to save your design as a draft order for future reference and to check for discounts, lead time, and availability. Most servers ship within 1-3 days.