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The NVIDIA Quantum-2 QM9700 is the flagship NDR 400Gb/s InfiniBand smart switch in the Quantum-2 family, designed for high-performance computing (HPC), AI training, and hyperscale cloud infrastructure. Based on NDR (Next Data Rate) technology, it provides 64 400Gb/s ports (which can be split into 128 200Gb/s ports), with a total throughput of 51.2Tb/s, and supports sub-microsecond latency, and is the core device for building supercomputing clusters and AI training networks
| category | specification |
| Port configuration | 64X NDR 400Gb/s port (32 OSFP physical interface, 128 x 200Gb/s supported) |
| Handling capacity | 51.2Tb/s aggregated bidirectional bandwidth (non-blocking architecture) |
| Put off | Support NDR 400G/200G, HDR 200G, EDR 100G, etc. (backward compatible with older devices) |
| Compatible rate | Support NDR 400G/200G, HDR 200G, EDR 100G, etc. (backward compatible with older devices) |
| Power dissipation | Typical power consumption is not clear, similar models full load about 300-500W |
| Hardware redundancy | 1+1 Redundant hot-swappable power supply + N+1 Redundant fan (Front/Rear/front wind direction) |
| Management mode |
External management (QM9790) : Required with the NVIDIA UFM® platform Internal Management (QM9700) : Built-in subnet manager that supports 2,000 nodes out of the box |
