Dell PowerEdge R540 vs Lenovo ThinkSystem SR550
Side-by-side specifications from the vendors' own documents. The Dell PowerEdge R540 is an enterprise 2U rack server powered by 2 Intel Xeon Scalable 1st Gen (Skylake) and 2nd Gen (Cascade Lake) and 16 memory slots supporting up to 512GB DDR4-2666 / DDR4-2933 RDIMM. The Lenovo ThinkSystem SR550 is a dual-socket 2U rack server designed to handle general-purpose enterprise computing workloads, secondary tiered storage, and departmental applications.
| Dell PowerEdge R540 | Lenovo ThinkSystem SR550 | |
|---|---|---|
| Brand | Dell | Lenovo |
| Status | end-of-sale | end-of-sale |
| Released | Sep 2017 | Jul 2017 |
| Form factor | 2U rack | 2U rack |
| Cpu sockets | 2 | — |
| Cpu platform | Intel Xeon Scalable 1st Gen (Skylake) and 2nd Gen (Cascade Lake), up to 20 cores, 125W TDP | — |
| Memory slots | 16 | — |
| Memory type | DDR4-2666 / DDR4-2933 RDIMM | — |
| Memory max (GB) | 512 | — |
| Drive bays | Up to 12x 3.5-inch SAS/SATA drives (plus optional 2x rear 3.5-inch drives) | Up to 16x 3.5-inch or up to 24x 2.5-inch hot-swap SAS/SATA drive bays |
| Pcie slots | Up to 5 PCIe Gen3 slots | — |
| Gpu support | None supported | — |
| Network onboard | 2x 1GbE LOM ports; optional LOM Mezzanine slot; 1x 1GbE iDRAC port | — |
| Power supply | Dual redundant hot-plug 495W, 750W or 1100W | Dual redundant hot-swap 550W or 750W Platinum power supplies |
| Processor | — | Up to 2x 1st or 2nd Gen Intel Xeon Scalable processors up to 26 cores (up to 125W TDP) |
| Memory | — | 16x DDR4 DIMM slots (8 per CPU) supporting up to 1TB DDR4-2933 ECC RDIMM/LRDIMM |
| Expansion slots | — | Up to 6x PCIe 3.0 slots plus dedicated LOM slot |
| Network | — | Dedicated LOM slot supporting 1GbE or 10GbE network interfaces |
| Management | — | Lenovo XClarity Controller (XCC) |
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