Dell PowerEdge R550 Specifications
| Specification | Details |
|---|---|
| Form Factor | 2U Rack |
| Processors | Up to 2x 3rd Gen Intel Xeon Scalable (up to 24 cores each) |
| Max Cores | 48 total |
| Memory Slots | 16x DDR4 RDIMM |
| Max Memory | 1 TB at 2933 MT/s |
| Drive Bays | 16x 2.5" or 8x 3.5" SAS/SATA |
| Max Storage | 122.88 TB (16x 2.5") or 128 TB (8x 3.5") |
| RAID Controllers | S150, H345, H355, H745, H755, HBA355i, H840 (external) |
| BOSS Card | BOSS-S2 (2x M.2, hot-plug) |
| Management | iDRAC9 |
| Power Supply | 600W/800W Platinum, 1100W DC |
| Cooling | Air only, up to 5 cabled fans |
| Chassis Depth | 686 mm (compact for 2U) |
Dell R550 vs R750 — Budget vs Full-Featured 15G 2U
| Feature | R550 (Budget) | R750 (Full-Featured) |
|---|---|---|
| Max Cores Per CPU | 24 | 40 |
| DIMM Slots | 16 | 32 |
| Max Memory | 1 TB | 8 TB (LRDIMM) |
| Max Drives | 16x 2.5" or 8x 3.5" | 24x 2.5" or 12x 3.5" |
| PCIe Slots | Limited | Up to 8 Gen 4 |
| GPU | None | Up to 2x 300W DW |
| Persistent Memory | None | Intel Optane PMem 200 |
| DLC | No | Optional |
| Max PSU | 800W | 2800W |
| Price | Lower | Higher |
Choose the R550 for budget 2U file/backup storage and value workloads. Choose the R750 when you need GPU support, more than 1 TB RAM, Optane PMem, or extensive PCIe expansion.
Frequently Asked Questions
What generation is the Dell R550?
The Dell PowerEdge R550 is a 15th Generation (15G) server using 3rd Gen Intel Xeon Scalable processors. The 14th Gen predecessor is the R540.
What is the difference between the Dell R550 and R750?
The R550 is the budget 15G 2U with 16 DIMM slots (vs 32), max 24 cores per CPU (vs 40), no GPU support, and limited PCIe. The R750 adds 8 PCIe Gen 4 slots, up to 2x 300W GPUs, Optane PMem, SNAP I/O, and optional DLC. The R550 costs less and supports up to 16x 2.5-inch or 8x 3.5-inch drives.
How much does a refurbished Dell R550 cost?
Pricing depends on processor, memory, and storage configuration. Use the configurator on this page to request a quote. Enterasource builds every R550 to order with a 2-year warranty and free ground shipping to the lower 48 states.
Browse all Dell PowerEdge servers available at Enterasource.
