Dell PowerEdge XE8640 vs Lenovo ThinkSystem SR675 V3
Side-by-side specifications from the vendors' own documents. The Dell PowerEdge XE8640 is an air-cooled 4U four-way GPU enterprise server purpose-built for artificial intelligence model development, fine-tuning, and enterprise machine learning workloads. The Lenovo ThinkSystem SR675 V3 is a modular 3U dual-socket AI compute server powered by AMD EPYC 9004 Series processors.
| Dell PowerEdge XE8640 | Lenovo ThinkSystem SR675 V3 | |
|---|---|---|
| Brand | Dell | Lenovo |
| Status | current | current |
| Released | May 2023 | Jan 2023 |
| Form factor | 4U rack | 3U rack |
| Cpu sockets | 2 | — |
| Cpu platform | Intel Xeon Scalable 4th and 5th Gen (up to 2 processors, 350W TDP) | — |
| Memory slots | 32 | — |
| Memory type | DDR5-4800 / DDR5-5600 RDIMM | — |
| Memory max (GB) | 4,096 | — |
| Drive bays | Up to 8x 2.5-inch NVMe U.2 / U.3 or E3.S SSDs | Up to 8x 2.5-inch hot-swap NVMe SSD bays plus dual internal M.2 boot drives |
| Pcie slots | Up to 4 PCIe Gen5 slots | — |
| Gpu support | 4x air-cooled NVIDIA H100 SXM5 GPUs with NVLink (700W each) | — |
| Network onboard | OCP 3.0 mezzanine slot; 1x 1GbE iDRAC9 port | — |
| Power supply | Quad hot-plug 2800W Titanium power supplies (2+2) | Up to 4x hot-swap 2600W or 1800W Titanium power supplies |
| Processor | — | Up to 2x AMD EPYC 9004 series processors up to 128 cores each (up to 360W TDP) |
| Memory | — | 24x DDR5 DIMM slots (12 per CPU) supporting up to 3TB DDR5-4800 ECC RDIMM |
| Expansion slots | — | Modular front GPU drawer supporting 8x double-wide PCIe 5.0 GPUs or 4-way NVIDIA HGX H100 SXM5 |
| Network | — | Up to 4x PCIe 5.0 x16 slots dedicated to 400Gb/s NDR InfiniBand or 400GbE NICs plus OCP 3.0 slot |
| Management | — | Lenovo XClarity Controller 2 (XCC2) |
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