Dell PowerEdge R750xs Specifications
| Specification | Details |
|---|---|
| Form Factor | 2U Rack |
| Processors | Up to 2x 3rd Gen Intel Xeon Scalable (up to 32 cores each) |
| Max Cores | 64 total |
| Memory Slots | 16x DDR4 RDIMM (4 channels per CPU) |
| Max Memory | 1 TB at 3200 MT/s |
| Drive Bays | 8x 3.5", 12x 3.5", 8x 2.5", 16x 2.5", or 16x 2.5" + 8x NVMe |
| Rear Bays | Optional 2x 2.5" SAS/SATA/NVMe |
| Max Storage | 192 TB (12x 3.5") or 184 TB (16x 2.5" + 8x NVMe) |
| RAID Controllers | S150, H345, H355, H745, H755, H755N, HBA355i, H840 (external) |
| BOSS Card | BOSS-S2 (hot-plug M.2) |
| IDSDM | Internal Dual SD Module |
| Management | iDRAC9 |
| Power Supply | 600W/800W/1100W/1400W Platinum/Titanium + 1100W DC |
| Cooling | Air, Standard/Silver/Gold fans, up to 6 hot-swap |
Dell R750xs vs R750 — Cost-Optimized vs Full-Featured 15G 2U
| Feature | R750xs (Cost-Optimized) | R750 (Full-Featured) |
|---|---|---|
| Max Cores Per CPU | 32 | 40 |
| DIMM Slots | 16 (4 channels/CPU) | 32 (8 channels/CPU) |
| Max Memory | 1 TB | 8 TB (LRDIMM) |
| Persistent Memory | None | Intel Optane PMem 200 |
| Max Drives | 16x 2.5" + 8x NVMe or 12x 3.5" | 24x 2.5" or 12x 3.5" |
| GPU | Limited | Up to 2x 300W DW |
| SNAP I/O | No | Yes |
| DLC | No | Optional |
| PCIe Slots | Fewer | Up to 8 Gen 4 |
| Max PSU | 1400W | 2800W |
| Price | Lower | Higher |
Choose the R750xs when the R750's 32 DIMM slots, Optane PMem, SNAP I/O, and full GPU support are not required. The R750xs provides strong storage flexibility (up to 24 total drives with NVMe mixed) at a lower price. Choose the R750 for maximum memory density, GPU workloads, or SNAP I/O networking.
Dell R750xs vs R550 — Mid-Tier vs Entry 15G 2U
| Feature | R750xs | R550 |
|---|---|---|
| Max Cores Per CPU | 32 | 24 |
| Memory Speed | 3200 MT/s | 2933 MT/s |
| Max Drives | 16x 2.5" + 8x NVMe or 12x 3.5" | 16x 2.5" or 8x 3.5" |
| NVMe | Yes (8x mixed) | No |
| Max PSU | 1400W | 800W |
Choose the R750xs over the R550 when you need NVMe mixed storage, higher core counts, or faster memory.
Frequently Asked Questions
What is the difference between the Dell R750xs and R750?
Both are 15th Gen 2U servers with the same 3rd Gen Xeon Scalable platform. The R750xs is the cost-optimized variant with 16 DIMM slots (vs 32), max 1 TB RAM (vs 8 TB), no Optane PMem, no SNAP I/O, and no DLC. The R750xs costs less per node and still offers good storage flexibility with NVMe mixed configurations.
What generation is the Dell R750xs?
The Dell PowerEdge R750xs is a 15th Generation (15G) server using 3rd Gen Intel Xeon Scalable processors (Ice Lake).
How much does a refurbished Dell R750xs cost?
Pricing depends on processor, memory, and storage configuration. Use the configurator on this page to request a quote. Enterasource builds every R750xs to order with a 2-year warranty and free ground shipping to the lower 48 states.
Browse all Dell PowerEdge servers available at Enterasource.

