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The MQM8790-HS2R is an HDR 200Gb/s InfiniBand smart switch from NVIDIA designed for high-performance computing (HPC), artificial intelligence (AI) training clusters, and hyperscale data centers. With a 1U rack-mount design and support for 40 200Gb/s ports (which can be split into 80 100Gb/s ports), the product provides 16Tb/s non-blocking bandwidth and extremely low latency below 130ns, making it the core device for building high-speed, low-latency computing networks
| category | specification |
| Port configuration | 40X QSFP56 port (support split into 80 x HDR100 100Gb/s port) |
| Handling capacity | 16Tb/s aggregated switching capacity (non-blocking architecture) |
| Put off | <130ns Port-to-port switching delay |
| Compatible rate | 200G HDR/100G EDR/56G FDR/40G QDR (Backward compatible with older devices) |
| Power dissipation | Typical power consumption 122W, 80+ gold power certification (conversion efficiency >92%) |
| Hardware redundancy | 1+1 redundant hot-swappable power supply and N+1 redundant hot-swappable fan |
| Management mode | Support for NVIDIA UFM® Intelligent Management Platform (External management) |
