Specifications

Use Case

NVIDIA ConnectX-7 400G NDR adapter provides 400 Gb/s InfiniBand or 200 GbE connectivity with ultra-low latency RDMA and GPUDirect support. Essential for AI training clusters using H100/B200 GPUs, it enables direct GPU-to-GPU data transfers and NVMe-oF storage access. As of July 2026, eBay prices range $399 used to $1,200 new. Low-profile PCIe form factor fits most server chassis.