HPE ProLiant Compute XD685 (HGX H200)
The eight-way XD685 in its NVIDIA HGX H200 configuration, the only one of the four HPE offers in both air-cooled and liquid-cooled form: 6U for air with accelerator kit S3P89A, 5U for direct liquid cooling with S4X53A. Two fifth-generation AMD EPYC processors drive it, from 32 to 96 cores and 280 to 400 W, across 24 DIMM slots with twelve channels per socket and up to 6 TB of DDR5-6400. Storage is eight EDSFF NVMe E3.S drives, or twelve with a storage controller, plus RAID-1 M.2 boot. No chassis part number is recorded because two apply depending on cooling, S4Q28A for air and S4R96A for liquid. HPE publishes no system power draw for the XD685, only twelve 3,000 W Titanium supplies with ten deployable, so nothing is summed here; the compute figures are NVIDIA's for the HGX H200 baseboard rather than an HPE claim.
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Systems built on this design
7 configurationsBuilt on the NVIDIA HGX H200 baseboard, so accelerator performance matches the reference. Chassis, CPU, memory and cooling are this vendor's own.
System Details
GPU Configuration
System Specifications
Precision Performance Breakdown
| Precision | System Performance | Per GPU | Efficiency |
|---|---|---|---|
| 0.272 PFLOPS | 34.0 TFLOPS | — | |
| 0.536 PFLOPS | 67.0 TFLOPS | — | |
| 3.956 PFLOPS | 494.5 TFLOPS | — | |
| 7.916 PFLOPS | 989.5 TFLOPS | — | |
| 7.916 PFLOPS | 989.5 TFLOPS | — | |
| 15.832 PFLOPS | 1979.0 TFLOPS | — | |
| 15.832 PFLOPS | 1979.0 TFLOPS | — |
All figures are dense. Vendors commonly headline the number, which is twice the dense one.
Powered by NVIDIA H200
This system utilizes 8 × NVIDIA H200 SXM 141GB GPUs, each delivering exceptional performance for AI and HPC workloads.
Per GPU TDP
700W
Per GPU Memory
141 GB
Process Node
4nm
Architecture
Hopper
Documentation & Resources
Official Datasheet
HPE ProLiant Compute XD685 (HGX H200) technical specifications
HPE Compute XD690 QuickSpecs (a50009220enw, V6)
HPE • 2026-07-06
Typical Use Cases
The HPE ProLiant Compute XD685 (HGX H200) runs 8× H200 GPUs over NVLink 4.0 / NVSwitch 3.0 across the HGX H200 baseboard; 4x FHHL PCIe Gen5 x16 slots for fabric, NIC or DPU, delivering 15.8 PFLOPS FP8 dense.