Hardware / Switches / Quantum QM8700
NVIDIA Quantum QM8700 HDR InfiniBand switch
The HDR InfiniBand switch behind A100-era clusters. 40 ports of 200G in a 1U box, or 80 ports of 100G when split.
- Ports
- 40 × 200G HDR (or 80 × HDR100)
- Cages
- QSFP56
- Throughput
- 16 Tb/s
- Form factor
- 1U
Where it fits in the cluster
ConnectX-6 NICOptics or AOCThis switch (leaf)Spine
Compatible with
Common pitfalls
- HDR is a generation behind NDR. Fine for expanding an A100 fabric; a dead end for new Hopper or Blackwell builds.
- Plan a subnet manager (on-switch or UFM) as part of the build.
Building with Quantum QM8700?
Send us the cluster spec. We source the full bill of materials, and can finance it.
Specs from vendor datasheets. Confirm configuration with your supplier before ordering.