NVIDIA Mellanox MQM9790 64-Port 400Gb/s InfiniBand Switch

• AI training cluster networking
• GPU compute fabric deployment
• HPC cluster interconnects
• Scientific research computing
• Machine learning infrastructure
• High-performance storage networking
• Data-center fabric expansion
• Financial analytics clusters
• Enterprise compute infrastructure
• InfiniBand fabric modernization

• 64 NDR ports
• 32 OSFP interfaces
• 400Gb/s per port
• 51.2Tb/s aggregate throughput
• Quantum-2 switch ASIC
• Unmanaged operation
• 1U rackmount chassis
• Dual AC power supplies
• P2C airflow
• Standard-depth design
• NDR InfiniBand fabric
• 40–400Gb/s port support
• OSFP112 transceiver support
• Rail kit compatible
• RoHS compliant 

• Brand: Mellanox
• Legacy Part Number: MQM9790-NS2F
• System Model: QM9790
• Product Type: NDR InfiniBand Switch
• Switch ASIC: NVIDIA Quantum-2
• InfiniBand Ports: 64
• OSFP Interfaces: 32
• Maximum Port Speed: 400Gb/s
• Aggregate Bidirectional Throughput: 51.2Tb/s
• Connector Type: OSFP
• Management: Unmanaged
• Power Supplies: 2 × AC
• Input Voltage: 200–240Vac
• Power Frequency: 50/60Hz
• Form Factor: 1U
• Rack Mounting: 19-inch
• Airflow: P2C, Forward
• Dimensions: 438 × 43.6 × 660 mm
• Weight: 13.6 kg with 1 PSU; 14.8 kg with 2 PSUs
• Operating Temperature: 0°C to 35°C forward airflow; 0°C to 40°C reverse airflow
• Operating Humidity: 10%–85% non-condensing
• Maximum Operating Altitude: 3050 m
• RoHS: Compliant 

WHY CHOOSE THIS PRODUCT?

• MQM9790 suits organizations needing dense 400Gb/s NDR InfiniBand connectivity for AI and HPC fabrics without built-in switch management. Its 64-port density, 51.2Tb/s throughput, 1U design, and dual AC power support scalable deployments, while external management provides flexibility for centralized fabric operations. Verify cable, adapter, and fabric compatibility before procurement.