Cisco UCS C225 M8 vs Lenovo ThinkSystem SR645 V3
Side-by-side specifications from the vendors' own documents. The Cisco UCS C225 M8 is a next-generation 1U 2-socket rack server powered by 4th and 5th Gen AMD EPYC 9004 and 9005 series processors. The ThinkSystem SR645 V3 is Lenovo's dense 1U dual-socket AMD server engineered for AMD EPYC 9004 (Genoa/Bergamo) and 9005 (Turin) processors with up to 160 cores per socket.
| Cisco UCS C225 M8 | Lenovo ThinkSystem SR645 V3 | |
|---|---|---|
| Brand | Cisco | Lenovo |
| Status | current | current |
| Released | Oct 2024 | Nov 2022 |
| Form factor | 1U rack | 1U rack |
| Processor | Up to 2x AMD EPYC 9004 or 9005 series processors up to 128 cores each (up to 400W TDP) | — |
| Memory | 24x DDR5 DIMM slots supporting up to 6TB DDR5-6000 | — |
| Drive bays | Up to 10x 2.5-inch NVMe/SAS SSDs plus dual internal M.2 boot drives | Up to 12x 2.5-inch SFF hot-swap bays (supporting up to 12 direct NVMe PCIe Gen5 SSDs), 4x 3.5-inch LFF bays, or 16x EDSFF E3.S bays |
| Expansion slots | Up to 3x PCIe Gen 5 expansion slots plus dedicated OCP 3.0 slot | — |
| Network | OCP 3.0 slot and PCIe Cisco VIC adapters supporting up to 200GbE | — |
| Power supply | Dual redundant hot-swap Titanium power supplies up to 2000W | Dual redundant 750W / 1100W / 1800W / 2400W AC 80 PLUS Titanium or Platinum PSUs |
| Management | Cisco IMC and Cisco Intersight | — |
| Cpu sockets | — | 2 |
| Cpu platform | — | Dual AMD EPYC 9004 Series (Genoa/Bergamo) and 9005 Series (Turin) processors up to 160 cores per socket and 400W TDP |
| Memory slots | — | 24 |
| Memory type | — | DDR5-4800 / DDR5-5200 / DDR5-6000 RDIMM / 3DS RDIMM |
| Memory max (GB) | — | 6,144 |
| Pcie slots | — | Up to 4 PCIe Gen5 slots plus 2 OCP 3.0 slots |
| Network onboard | — | Dual OCP 3.0 Gen5 slots plus dedicated 1GbE XClarity management port |
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