Dell PowerEdge R940 vs Lenovo ThinkSystem SR860
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 Lenovo ThinkSystem SR860 is a 4U 4-socket mission-critical enterprise server driven by 1st and 2nd Generation Intel Xeon Scalable processors.
| Dell PowerEdge R940 | Lenovo ThinkSystem SR860 | |
|---|---|---|
| Brand | Dell | Lenovo |
| Status | end-of-sale | end-of-sale |
| Released | Jul 2017 | May 2018 |
| Form factor | 3U rack | 4U rack |
| Cpu sockets | 4 | — |
| Cpu platform | Intel Xeon Scalable 1st Gen and 2nd Gen (up to 4 processors, 28 cores each, 205W TDP) | — |
| Memory slots | 48 | — |
| Memory type | DDR4-2666 / DDR4-2933 RDIMM / LRDIMM | — |
| Memory max (GB) | 6,144 | — |
| Drive bays | Up to 24x 2.5-inch SAS/SATA/NVMe drives (up to 12 NVMe) | Up to 48x 2.5-inch hot-swap drive bays; supports up to 16 direct-connect NVMe PCIe SSDs |
| Pcie slots | Up to 13 PCIe Gen3 slots | — |
| Gpu support | None supported (use R940xa for GPU) | — |
| Network onboard | Network Daughter Card (NDC) slot; 1x 1GbE iDRAC9 port | — |
| Power supply | Quad redundant hot-plug 1100W, 1600W, 2000W or 2400W | Up to 2x hot-swap 1100W, 1600W, or 2000W Platinum power supplies (1+1 redundancy) |
| Processor | — | 2 or 4x 1st or 2nd Gen Intel Xeon Scalable processors up to 28 cores each (up to 205W TDP) |
| Memory | — | 48x DDR4 DIMM slots (12 per CPU) supporting up to 6TB DDR4-2933 ECC RDIMM/LRDIMM/Optane PMem |
| Expansion slots | — | Up to 13x PCIe 3.0 slots plus dedicated LOM slot |
| Network | — | Dedicated LOM slot supporting 1GbE and 10GbE network mezzanine cards |
| Management | — | Lenovo XClarity Controller (XCC) |
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