Lenovo ThinkSystem SR685a V3 8U Rack Server

Form Factor

8U rack

Processor

2x 5th or 4th Generation AMD EPYC™ Processors, up to 400W

Memory

Up to 3TB using 24x DDR5 DIMMs at max frequency

GPU

Supports 8x high-performance GPUs:

8x AMD Instinct™ MI300X GPUs with Infinity Fabric interconnects at 896 GB/s

8x NVIDIA H100/H200 GPUs with NVLink interconnects at 900 GB/s

I/O Expansion

Up to 10x PCIe Gen5 x16 FHHL adapters (8 front, 2 rear):

8x in front connected to PCIe switch for GPU connectivity

2x PCIe or 1x PCIe + 1x OCP3.0 in the rear connected to CPU for CPU connectivity

Storage

Up to 16x 2.5″ hot-swap NVMe SSDs

Up to 2x M.2 for boot (RAID support)

Power

Up to 8x hot-swap power supplies, allowing full N+N redundancy

Cooling

Air-cooled with N+1 hot-swap fan solution

Management

XClarity Controller2 (XCC2), which provides advanced service-processor control, monitoring, and alerting functions. The XCC2 consolidates the service processor functionality, super I/O, video controller, and remote presence capabilities into a single chip on the server system board.