Dell PowerEdge R750: The Proven 2U Workhorse for Virtualization, Databases and AI Inference

The Dell PowerEdge R750 is a 2U, dual-socket rack server built on 3rd Generation Intel Xeon Scalable processors. With up to 40 cores per socket, 32 DDR4 DIMM slots reaching 8 TB of memory, PCIe Gen4 expansion and 24 NVMe drive bays, it remains one of the most balanced platforms in the PowerEdge line — and one of the most cost-effective ways to refresh an aging R740 estate. This guide covers the full PowerEdge R750 specification set, the selling points that still matter in 2026, recommended configurations by workload, and how it compares with both the R740 below it and the R760 above it.

Why the R750 Still Matters

Three platform generations have shipped since the R750 launched, yet demand for it has not faded. The reasons are practical rather than sentimental.

It is a mature, fully de-risked platform. The R750 has been in production since 2021, with firmware, drivers and hypervisor certifications that have been hardened across millions of sockets. There are no first-generation teething issues, and every major OS, hypervisor and backup agent has a validated recipe for it.

It is dramatically cheaper per core than the current generation. DDR4 RDIMM and LRDIMM pricing has fallen far below DDR5, and the resale market for Xeon Ice Lake processors is deep. For workloads that are memory-capacity-bound rather than memory-bandwidth-bound, the R750 delivers the same virtual machine density at a substantially lower cost per VM.

It is available now. Lead times on current-generation DDR5 platforms can stretch for weeks. The R750 ecosystem — new old stock, refurbished, and fully configured channel inventory — is liquid.

PowerEdge R750 Specifications

Item	Specification
Form factor	2U rack server (86.8 mm H x 482.0 mm W x 758.29 mm D, from 31.8 kg)
Processors	Up to 2x 3rd Gen Intel Xeon Scalable (Ice Lake), up to 40 cores each — 80 cores / 160 threads per system
Chipset	Intel C620 series
Memory	32 DDR4 DIMM slots; up to 2 TB with RDIMM, up to 8 TB with LRDIMM; up to 3200 MT/s; supports Intel Optane Persistent Memory 200 Series (up to 16 modules)
Drive bays	Up to 24 x 2.5-inch SAS/SATA/NVMe (368.64 TB), 16 x 2.5-inch, 8 x 2.5-inch NVMe, or 12 x 3.5-inch SAS/SATA (192 TB); rear bays for 2-4 x 2.5-inch
Boot device	BOSS-S2 (hardware RAID 2 x M.2 NVMe, 240 GB or 480 GB); dual internal SD module
Storage controllers	PERC H755, H755N, H745, H345, HBA355i (internal); PERC H840, HBA355e (external); software RAID S150
PCIe expansion	Up to 8 PCIe Gen4 slots (up to 6 x16), SNAP I/O support
GPU support	Up to 2 x 300 W double-width, 4 x 150 W, or 6 x 75 W single-width accelerators
Network	2 x 1GbE LOM plus optional OCP 3.0 (x8 PCIe lanes)
Power supplies	Hot-plug redundant 700 W to 2800 W, Titanium and Platinum options, AC and -48 V DC
Cooling	Standard air cooling; optional Direct Contact Liquid Cooling (DCLC)
Management	iDRAC9, iDRAC Direct, Redfish RESTful API, OpenManage Enterprise, Quick Sync 2
Security	Silicon Root of Trust, signed firmware, Secure Boot, Secure Erase, System Lockdown, TPM 2.0 (FIPS, CC-TCG, China NationZ)
Operating systems	Windows Server with Hyper-V, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, Ubuntu Server LTS, VMware ESXi

Five Selling Points That Hold Up

1. 80 cores in 2U, with no compromise on memory channels

Two 40-core Ice Lake processors give 80 cores and 160 threads, and each socket drives eight memory channels. That ratio — cores to channels — is what keeps sustained throughput high under virtualization, rather than just winning short synthetic bursts.

2. 8 TB of memory capacity, not just 8 TB of address space

32 DIMM slots populated with 256 GB LRDIMMs reach 8 TB. The R750 also supports Intel Optane Persistent Memory 200 Series, letting you place a large, byte-addressable tier between DRAM and NVMe — a genuinely useful option for in-memory databases and large VDI pools.

3. All-NVMe on PCIe Gen4

With the 24 x 2.5-inch backplane, the R750 holds 24 NVMe SSDs at Gen4 speeds, up to 368.64 TB raw. Paired with a PERC H755N, this is enough IOPS to consolidate a small SAN into the server itself.

4. GPU-ready without a different chassis

The standard R750 accepts two 300 W double-width cards — A100, A40, A30 or A16 — or up to six 75 W single-width accelerators. That is sufficient for inference, virtual workstations, video analytics and rendering, without stepping up to a GPU-dedicated platform.

5. Enterprise management and security from day one

iDRAC9 with Redfish, OpenManage Enterprise, Silicon Root of Trust, signed firmware, Secure Boot and System Lockdown are all standard. The R750 manages exactly like a current-generation PowerEdge, so it slots into existing automation and monitoring without new tooling.

Recommended Configurations by Workload

Workload	Suggested build
Virtualization / VDI	2 x Gold 6338 (32C), 512 GB-1 TB DDR4, 8 x 1.92 TB SSD RAID10, dual 10/25 GbE OCP 3.0
Database / ERP	2 x Gold 6348 (28C, high clock), 1-2 TB DDR4, 8 x 3.84 TB NVMe, PERC H755N
Software-defined storage	2 x Silver 4314, 256-512 GB, 12 x 3.5-inch 16 TB SAS, HBA355i passthrough
AI inference	2 x Gold 6330, 1 TB DDR4, 2 x NVIDIA A40 or A100, 8 x 7.68 TB NVMe, 2400 W PSU
Branch / edge consolidation	1-2 x Silver 4310, 128-256 GB, 8 x 2.5-inch mixed SSD, 800 W redundant PSU

R750 vs R740 vs R760

Feature	PowerEdge R740	PowerEdge R750	PowerEdge R760
Processors	2nd Gen Xeon Scalable, up to 28 cores	3rd Gen Xeon Scalable, up to 40 cores	4th/5th Gen Xeon Scalable, up to 64 cores
Memory	24 DDR4 slots, up to 3 TB	32 DDR4 slots, up to 8 TB	32 DDR5 slots, up to 8 TB
Memory speed	2933 MT/s	3200 MT/s	4800-6400 MT/s
PCIe	Gen3, up to 8 slots	Gen4, up to 8 slots (6 x16)	Gen5, up to 8 slots
Max NVMe	24 x 2.5-inch	24 x 2.5-inch Gen4	24 x 2.5-inch Gen5, EDSFF E3.S
GPU	3 x 300 W DW	2 x 300 W DW	2 x 350 W DW / 6 x 75 W
Networking	rNDC	OCP 3.0 + LOM	OCP 3.0 + LOM

The upgrade from R740 to R750 buys 43% more cores per socket, 2.7x the memory ceiling, PCIe Gen4 and OCP 3.0 networking. The step from R750 to R760 buys DDR5 bandwidth and Gen5 I/O — real gains, but at a materially higher cost per gigabyte of memory. If your bottleneck is capacity and cost rather than bandwidth, the R750 remains the better economic answer.

Best-Fit Workloads

• Server virtualization and VDI consolidation (VMware, Hyper-V, Proxmox)

• Relational databases and ERP systems (SQL Server, Oracle, SAP)

• Software-defined storage and backup targets

• AI inference, video analytics and rendering with one or two GPUs

• Disaster recovery and secondary data center nodes

• Branch, edge and remote-office consolidation

Frequently Asked Questions

What is the maximum memory in a Dell PowerEdge R750? The R750 has 32 DDR4 DIMM slots. Capacity reaches 2 TB with RDIMMs and 8 TB with 256 GB LRDIMMs, at speeds up to 3200 MT/s. Intel Optane Persistent Memory 200 Series is also supported for tiered memory configurations.

How many cores does the R750 support? Two 3rd Generation Intel Xeon Scalable processors, up to 40 cores each, for a maximum of 80 cores and 160 threads per system.

Does the R750 support NVMe and GPUs at the same time?

Yes. The 24 x 2.5-inch backplane supports NVMe drives on PCIe Gen4 while two 300 W double-width GPUs occupy the riser slots, provided the configuration uses the appropriate riser and high-wattage power supplies.

Is the R750 still supported by Dell? The platform remains within Dell’s service lifecycle and is covered by ProSupport and ProSupport Plus options depending on the specific service tag. Verify entitlement per unit before purchase.

Should I buy an R750 or an R760? Choose the R750 when memory capacity, core count and cost per VM drive the decision, or when you need stock immediately. Choose the R760 when DDR5 bandwidth, PCIe Gen5 NVMe or the longest possible service life are requirements.