Mellanox Quantum HDR InfiniBand Switch NVIDIA MQM8790-HS2F

Maintain fabric performance where downtime and congestion are not acceptable. The MELLANOX QUANTUM HDR INFINIBAND SWITCH, 40 QSFP56 PORTS, 2 POWER SUPPLIES (AC) is built for infrastructure teams that need a serious interconnect for compute clusters, parallel storage, and tightly synchronized workloads. With 40 QSFP56 ports, this switch supports dense topologies that keep east-west traffic moving without forcing compromises in scale or layout. HDR InfiniBand is the right fit when applications depend on low latency and consistent transport behavior, especially in HPC, AI training, and storage fabrics where oversubscription quickly becomes visible in application performance. Dual AC power supplies add an important layer of operational resilience. For enterprise teams, that matters as much as port count: it helps protect the fabric from a single power-path failure and supports higher availability expectations in production racks. MQM8790-HS2F is the kind of switch you buy when the fabric itself is part of the workload, not just the network behind it.