15th Generation Dell PowerEdge Rack Server Comparison
| PowerEdge Rack Servers | R750 | R650 | R7525 | R6525 | R7515 | R6515 | R550 | R450 | R350 | R250 |
| Type of processor | 2 x 3rd Generation Intel® Xeon® Scalable processors; up to 40 cores per processor | 2 x 2nd or 3rd Generation AMD EPYCTM processors; up to 64 cores per processor | 1 x 2nd or 3rd Generation AMD EPYCTM processor; up to 64 cores per processor | 2 x 3rd Generation Intel® Xeon® Scalable processors; up to 24 cores per processor | 1 x Intel Xeon E-2300 series processors with up to 8 cores or 1 x Intel Pentium processor with up to 2 cores | |||||
| Memory (DDR4 DIMM slots & max supported) | 32 (8 TB) | 32 (4 TB) | 16 (2 TB) | 16 (1 TB) | 4 (128 GB) | |||||
| Hard Drives up to: | 8 x 2.5” 16 x 2.5” 24 x 2.5” 12 x 3.5” 2 x 2.5” 4 x 2.5” (rear) |
4 x 3.5” 8 x 2.5” 10 x 2.5” 2 x 2.5” (rear) |
26 x 2.5” |
12 x 2.5” |
24 x 2.5” |
8 x 2.5” 4 x 3.5” |
16 x 2.5” |
4 x 3.5” |
4 x 3.5” 8 x 2.5” |
4 x 3.5” 2 x 3.5” (cabled) 4 x 3.5” (cabled) |
| NVMe drives supported up to: | 24 | 12 | 24 | 12 | 24 | 10 | NONE | |||
| GPU Support | 2x Dual Width or 4x Single Width GPU | 3x Single Width GPU | 3x Dual Width GPU or 6x Single Width GPU | 3x Single Width GPU | 4x Single Width GPU or 1x Dual Width or 1x FPGA | 1x Single Width | NONE | |||
| PCIe Gen4 slots up to: | 8 | 3 | 8 | 3 | 2 | 1 | 3 | 2 | 3 | 2 |
| PCIe Gen3 slots up to: | NONE | 2 | 1 | 1 | NONE | |||||
| Form Factor | 2u | 1u | 2u | 1u | 2u | 1u | 2u | 1u | 1u | 1u |
| Front Ports | • 1 x Dedicated iDRAC Direct micro-USB • 1 x USB 2.0 • 1 x VGA |
1 x Dedicated iDRAC Direct micro-USB • 1 x USB 2.0 • 1 x VGA |
1 x Dedicated iDRAC micro-USB 1 x USB 2.0 1 x VGA |
1 x Dedicated iDRAC micro-USB 1 x USB 2.0 1 x VGA |
1 x Dedicated iDRAC direct micro-USB 2 x USB 2.0 1 x Video |
1 x Dedicated iDRAC Direct, 1 x USB 2.0, 1 x Video | 1 x Dedicated iDRAC (Micro-AB USB) port • 1 x USB 2.0 • 1 x VGA |
1 x Dedicated iDRAC Direct micro-USB • 1 x USB 3.0 • 1 x VGA |
1 x iDRAC Direct (Micro-AB USB) port • 1 x USB 2.0 |
1 x USB 2.0 • 1 x iDRAC Direct (Micro-AB USB) port |
PLEASE NOTE: If you are planning on using VMware, you CANNOT RAID your NVMe drives.