HPE Cray XD6500 vs Lenovo ThinkSystem SR685a V3
Side-by-side specifications from the vendors' own documents. The HPE Cray XD6500 is an enterprise 5U accelerated server platform purpose built for massive artificial intelligence training, generative deep learning models, and complex molecular simulation workloads. The Lenovo ThinkSystem SR685a V3 is an 8U accelerated AI supercomputing node powered by dual AMD EPYC 9004 Series processors and an 8-way NVIDIA HGX H100/H200 or AMD Instinct MI300X baseboard.
| HPE Cray XD6500 | Lenovo ThinkSystem SR685a V3 | |
|---|---|---|
| Brand | HPE | Lenovo |
| Status | current | current |
| Released | Nov 2022 | Mar 2024 |
| Form factor | 5U GPU supercomputing node | 8U rack |
| Cpu sockets | 2 | — |
| Cpu architecture | AMD EPYC 9004 or 4th/5th Gen Intel Xeon Scalable | — |
| Accelerators | 8x NVIDIA H100 or H200 SXM5, or AMD Instinct MI300X | — |
| Accelerator interconnect | NVLink 4.0 or Infinity Fabric up to 900GB/s per GPU | — |
| System memory | Up to 3TB DDR5 ECC memory across 24 or 32 DIMMs | — |
| Networking | Up to 8 high-speed PCIe Gen5 / OSFP InfiniBand or Slingshot adapters | — |
| Power supplies | Up to six 3000W titanium hot-plug redundant power supplies | — |
| Processor | — | Up to 2x AMD EPYC 9004 series processors up to 128 cores each (up to 400W TDP) |
| Memory | — | 24x DDR5 DIMM slots (12 per CPU) supporting up to 3TB DDR5-4800 ECC RDIMM |
| Drive bays | — | Up to 16x 2.5-inch hot-swap NVMe SSD bays (PCIe 5.0) plus dual M.2 boot storage |
| Gpu support | — | 8-way NVIDIA HGX H100/H200 SXM5 or 8-way AMD Instinct MI300X OAM baseboard |
| Network | — | 8x dedicated PCIe 5.0 x16 slots for 400Gb/s NDR InfiniBand or 400GbE adapters |
| Power supply | — | Up to 8x hot-swap 3000W Titanium power supplies (N+N redundancy) |
| Management | — | Lenovo XClarity Controller 2 (XCC2) |
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