HPE Cray XD6500 vs Lenovo ThinkSystem SD650-N V2
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 SD650-N V2 is a direct water-cooled GPU compute tray that combines dual 3rd Gen Intel Xeon Scalable processors with four NVIDIA HGX A100 SXM4 GPUs.
| HPE Cray XD6500 | Lenovo ThinkSystem SD650-N V2 | |
|---|---|---|
| Brand | HPE | Lenovo |
| Status | current | current |
| Released | Nov 2022 | Nov 2020 |
| Form factor | 5U GPU supercomputing node | dense node |
| 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 3rd Gen Intel Xeon Scalable processors up to 40 cores each (up to 250W TDP) |
| Memory | — | 16x DDR4 DIMM slots supporting up to 1TB DDR4-3200 ECC RDIMM |
| Drive bays | — | Up to 2x 2.5-inch 7mm NVMe SSDs plus dual M.2 boot support |
| Gpu support | — | 4-way NVIDIA HGX A100 (40GB or 80GB) SXM4 interconnected via 600 GB/s NVLink |
| Expansion slots | — | Up to 4x PCIe 4.0 x16 slots dedicated to 200Gb/s HDR InfiniBand cards |
| Network | — | Direct PCIe 4.0 InfiniBand connections for 1:1 GPU-to-HCA fabric topology |
| Power supply | — | Shared busbar DC power from the DW612 Enclosure |
| Management | — | Lenovo XClarity Controller (XCC) |
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