DELL PowerEdge XE9640 2U rack server 4 GPU 61.44 TB NVMe

2U liquid-cooled AI server

The Dell PowerEdge XE9640 is a 2U rack server built for AI, ML, DL and HPC workloads. It supports up to two Intel Xeon Scalable processors on the Intel C741 chipset and ships without CPUs or memory installed. The chassis uses liquid cooling to handle high-density accelerator configurations.

Sustained accelerator performance

The system accommodates four Intel Data Center Max 1550 OAM modules at 600 W each with Xe Link, or four NVIDIA H100 SXM modules at 700 W each with NVLINK. Liquid cooling is designed to maintain thermal stability for these accelerators during continuous training or inference runs. Front bays accept up to four 2.5-inch NVMe SSDs for a maximum of 61.44 TB of high-speed local storage.

Pre-deployment checklist

Verify that your rack provides 2U of space and compatible liquid-cooling infrastructure for the chosen GPU option. Confirm DDR5 memory module quantities: 16 or 32 DIMMs for NVIDIA configurations up to 2 TB, but only 16 DIMMs supported for Intel GPU configurations up to 1 TB. Ensure power distribution can deliver the required wattage for dual CPUs plus four 600 W or 700 W accelerators.