Dell PowerEdge MX840c vs Lenovo ThinkSystem SN850
Side-by-side specifications from the vendors' own documents. The Dell PowerEdge MX840c is a double-width, four-socket modular compute sled designed for the 7U PowerEdge MX7000 kinetic infrastructure platform. The Lenovo ThinkSystem SN850 is a full-wide 4-socket blade server engineered for high-density virtualization, large databases, and in-memory analytics.
| Dell PowerEdge MX840c | Lenovo ThinkSystem SN850 | |
|---|---|---|
| Brand | Dell | Lenovo |
| Status | current | end-of-sale |
| Released | Sep 2018 | Jul 2017 |
| Form factor | blade | blade |
| 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 8x 2.5-inch SAS/SATA/NVMe SSDs | Up to 4x 2.5-inch SAS/SATA/NVMe hot-swap SSDs plus dual internal M.2 boot modules |
| Pcie slots | 4 PCIe Gen3 mezzanine fabric slots | — |
| Gpu support | None supported | — |
| Network onboard | Quad mezzanine cards connected to MX7000 fabrics; iDRAC9 management | — |
| Power supply | Shared redundant power from PowerEdge MX7000 7U chassis | Shared power delivered through the Flex System Enterprise Chassis backplane |
| Processor | — | Up to 4x 1st or 2nd Gen Intel Xeon Scalable processors up to 28 cores each (up to 165W TDP) |
| Memory | — | 48x DDR4 DIMM slots (12 per CPU) supporting up to 6TB DDR4-2933 ECC RDIMM/LRDIMM |
| Expansion slots | — | 4x PCIe 3.0 x16 I/O mezzanine connectors routing to all four chassis fabric switches |
| Network | — | Supports high-density multi-port 10GbE, 25GbE, and 16Gb Fibre Channel mezzanine adapters |
| Management | — | Lenovo XClarity Controller (XCC) |
Buying or selling a MX840c or ThinkSystem SN850?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.