Dell PowerEdge R940 vs Lenovo ThinkSystem SR860 V2
Side-by-side specifications from the vendors' own documents. The Dell PowerEdge R940 is an enterprise 3U rack server powered by 4 Intel Xeon Scalable 1st Gen and 2nd Gen (up to 4 processors, 28 cores each, 205W TDP) and 48 memory slots supporting up to 6144GB DDR4-2666 / DDR4-2933 RDIMM / LRDIMM. The ThinkSystem SR860 V2 is Lenovo's scalable 4U four-socket enterprise server powered by 3rd Generation Intel Xeon Scalable processors (Cooper Lake).
| Dell PowerEdge R940 | Lenovo ThinkSystem SR860 V2 | |
|---|---|---|
| Brand | Dell | Lenovo |
| Status | end-of-sale | end-of-sale |
| Released | Jul 2017 | Jun 2020 |
| Form factor | 3U rack | 4U rack |
| Cpu sockets | 4 | 4 |
| Cpu platform | Intel Xeon Scalable 1st Gen and 2nd Gen (up to 4 processors, 28 cores each, 205W TDP) | Up to 4 3rd Gen Intel Xeon Scalable processors (Cooper Lake) up to 28 cores per socket and 250W TDP |
| Memory slots | 48 | 48 |
| Memory type | DDR4-2666 / DDR4-2933 RDIMM / LRDIMM | DDR4-3200 RDIMM / 3DS RDIMM and Intel Optane Persistent Memory 200 Series |
| Memory max (GB) | 6,144 | 12,288 |
| Drive bays | Up to 24x 2.5-inch SAS/SATA/NVMe drives (up to 12 NVMe) | Up to 48x 2.5-inch SFF hot-swap bays (supporting up to 24 direct NVMe PCIe 3.0 SSDs) |
| Pcie slots | Up to 13 PCIe Gen3 slots | Up to 14 PCIe 3.0 slots plus 1 OCP 3.0 slot |
| Gpu support | None supported (use R940xa for GPU) | Up to 4 double-wide 300W GPUs or 8 single-wide 75W GPUs |
| Network onboard | Network Daughter Card (NDC) slot; 1x 1GbE iDRAC9 port | OCP 3.0 slot plus dedicated 1GbE XClarity management port |
| Power supply | Quad redundant hot-plug 1100W, 1600W, 2000W or 2400W | Up to 4 redundant 1100W / 1800W / 2400W AC 80 PLUS Platinum hot-swap power supplies |
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