HP ProLiant Compute XD685
HPE's 8-way GPU server for large-scale AI training, tuning and inferencing, built on dual 5th Generation AMD EPYC processors. Supports NVIDIA H200/B200/B300 or AMD Instinct MI355X GPU accelerators in a 5U direct-liquid-cooled or 6U air-cooled chassis, aimed at AI service providers, large enterprises and sovereign AI deployments.
Memory
- Slots
- 24 DIMM (12 per processor, 12 channels per processor)
- Type
- HPE DDR5 Smart Memory RDIMM
- Max
- 3.0 TB: 24 x 128 GB RDIMM @ 6400 MT/s, 1DPC
Storage
- Chassis
- 8x EDSFF NVMe E3.S Read-Intensive/Mixed-Use hot-plug SSDs + RAID M.2 boot drives; 4 more EDSFF E3.S slots available with a storage controller installed
- Max capacity
- 122.88 TB (8 x 15.36 TB) without controller; 184.32 TB (12 x 15.36 TB) with storage controller; 185.28 TB with controller + M.2 boot (12 x 15.36 TB + 2 x 960 GB M.2 RAID 1)
- Boot
- HPE NS204i-u Gen11 NVMe Hot Plug Boot Optimized Storage Device, 2 x 480 GB or 2 x 960 GB M.2 NVMe RAID 1, front accessible, does not occupy PCIe slots
- Storage controller
- HPE SR932i-p Gen11 x32 Lanes 8 GB Wide Cache Tri-Mode Controller — connects only 4 drives (bays 9-12); the other SSDs attach directly to PCIe switches as individual NVMe devices
- Notes
- Software RAID is not supported on this AMD Gen11 platform
Graphics
- Integrated
- Standard integrated video, up to 1920 x 1200 @ 60 Hz, 16 MB video memory
- Accelerators
- NVIDIA HGX H200 141 GB 8-GPU (Air or DLC); NVIDIA B200 192 GB 8-GPU DLC; NVIDIA HGX B300 288 GB 8-GPU DLC; AMD Instinct MI355X 288 GB 8-GPU DLC
Expansion
- GPU-attached
- 8x HHHL PCIe 5.0 x16 slots
- Fabric/NIC/DPU
- 4x FHHL PCIe 5.0 x16 slots
Networking
- Embedded
- 1-port MLAN (1 GbE) management
- Adapter options
- 1/10/25/100/400 GbE Ethernet adapters; InfiniBand NDR/NDR200/XDR; HPE and NVIDIA BlueField-3 Data Processing Units
Power
- Bays
- 6 power supplies standard; up to 12 for B200/B300/MI355X GPU configurations (10 can be used in area-challenged racks)
- Options
- HPE ProLiant Compute XD 3000 W 54VDC Power Supply (200-277 VAC input, up to 3000 W @ 207-277 VAC)
Ports
- Front
- 1 x VGA; 3 x USB 3.0; 1-port MLAN (1 GbE); Power/Reset/ID buttons and status LEDs
Physical
- Form factor
- 5U chassis (DLC) / 6U chassis (Air)
- Dimensions (5U DLC)
- 1049 (L) x 448 (W) x 217.7 (H) mm
- Dimensions (6U Air)
- 1049 (L) x 448 (W) x 261.95 (H) mm
- Weight
- 40.15 kg empty; 103 kg fully loaded
Management
- BMC
- HPE iLO 6 ASIC
- Tools
- UEFI (Class 3), Intelligent Provisioning, iLO RESTful API (Redfish)
- Security
- UEFI Secure Boot and Secure Start, Immutable Silicon Root of Trust, TPM 2.0 option, FIPS 140-2 validation, CNSA support
Operating systems
- Support
- See HPE Servers Support & Certification Matrices for current Windows Server, VMware ESXi, RHEL, SUSE and Ubuntu support
Processors
- AMD EPYC 9655
- AMD EPYC 9645
- AMD EPYC 9575F
- AMD EPYC 9565
- AMD EPYC 9555
- AMD EPYC 9535
- AMD EPYC 9455
- AMD EPYC 9365
- AMD EPYC 9355