Dell PowerEdge R6525 vs Lenovo ThinkSystem SR645
Side-by-side specifications from the vendors' own documents. The Dell PowerEdge R6525 is an enterprise 1U rack server powered by 2 AMD EPYC 7002 and 7003 Series Processors (up to 2x 64 cores, 280W cTDP) and 32 memory slots supporting up to 4096GB DDR4-3200 RDIMM / LRDIMM. The ThinkSystem SR645 was Lenovo's high-core-density 1U dual-socket rack server built on AMD EPYC 7002 (Rome) and 7003 (Milan) Series processors.
| Dell PowerEdge R6525 | Lenovo ThinkSystem SR645 | |
|---|---|---|
| Brand | Dell | Lenovo |
| Status | current | end-of-sale |
| Released | Feb 2020 | May 2020 |
| Form factor | 1U rack | 1U rack |
| Cpu sockets | 2 | 2 |
| Cpu platform | AMD EPYC 7002 and 7003 Series Processors (up to 2x 64 cores, 280W cTDP) | Dual AMD EPYC 7002 (Rome) and 7003 (Milan) Series processors up to 64 cores per socket and 280W TDP |
| Memory slots | 32 | 32 |
| Memory type | DDR4-3200 RDIMM / LRDIMM | DDR4-3200 RDIMM / 3DS RDIMM |
| Memory max (GB) | 4,096 | 8,192 |
| Drive bays | Up to 10x 2.5-inch NVMe/SAS/SATA or 4x 3.5-inch SAS/SATA drives | Up to 12x 2.5-inch SFF hot-swap bays (including up to 12 direct NVMe bays) or 4x 3.5-inch LFF bays |
| Pcie slots | Up to 3 PCIe Gen4 slots | Up to 3 PCIe 4.0 slots plus 1 OCP 3.0 slot |
| Gpu support | Up to 3x 75W single-wide PCIe GPUs | — |
| Network onboard | 2x 1GbE LOM ports; OCP 3.0 mezzanine; 1x 1GbE iDRAC port | OCP 3.0 slot plus dedicated 1GbE XClarity management port |
| Power supply | Dual redundant hot-plug 800W, 1100W or 1400W Platinum/Titanium | Dual redundant 750W / 1100W / 1800W AC 80 PLUS Platinum or Titanium PSUs |
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