Dell PowerEdge XE9640 vs NVIDIA DGX Station A100
Side-by-side specifications from the vendors' own documents. The Dell PowerEdge XE9640 is an ultra-dense, direct liquid-cooled (DLC) 2U four-way GPU accelerator server engineered for high-performance computing, AI model training, and generative modeling where data center rack space is limited. The NVIDIA DGX Station A100 is a tower workstation with four A100 80 GB GPUs connected by NVLink, a single 64-core AMD EPYC 7742 and 512 GB of system memory.
| Dell PowerEdge XE9640 | NVIDIA DGX Station A100 | |
|---|---|---|
| Brand | Dell | NVIDIA |
| Status | current | end-of-sale |
| Released | May 2023 | 2020 |
| Form factor | 2U rack | Tower workstation |
| Cpu sockets | 2 | 1 |
| Cpu platform | Intel Xeon Scalable 4th and 5th Gen (up to 2 processors, 350W TDP) | 1x AMD EPYC 7742, 64 cores, 2.25 GHz base, 3.4 GHz max boost |
| Memory slots | 32 | — |
| Memory type | DDR5-4800 / DDR5-5600 RDIMM | DDR4, 8 DIMMs, 512 GB |
| Memory max (GB) | 4,096 | 512 |
| Drive bays | Up to 4x NVMe U.2 / U.3 or E3.S SSDs | 1x 7.68 TB NVMe U.2 (cache and data) and 1x NVMe M.2 boot drive |
| Pcie slots | Up to 4 PCIe Gen5 slots | — |
| Gpu support | 4x liquid-cooled NVIDIA H100 SXM5 (700W) or 4x Intel Data Center GPU Max 1550 (600W) | 4x NVIDIA A100 80 GB, 320 GB total GPU memory |
| Network onboard | OCP 3.0 mezzanine slot; 1x 1GbE iDRAC9 port | — |
| Power supply | Quad hot-plug 2800W Titanium power supplies (2+2) | 100-115 VAC 15 A, 115-120 VAC 12 A or 200-240 VAC 10 A; up to 1,500 W under heavy load at 30 C ambient |
| Gpu memory (GB) | — | 320 |
| Weight kg | — | 43.1 |
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