MELLANOX 

MELLANOX MQM9790-NS2R QUANTUM 2 BASED NDR INFINIBAND SWITCH 64 NDR PORTS 32 OSFP PORT S

Mfg Part Number:  MQM9790-NS2R  
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Price: $35,231.62 + Free Shipping
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In Stock/Mfg Direct Ship
Last Updated: Jun 24, 2025
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NVIDIA MQM9790-NS2R Quantum 2 NDR InfiniBand Switch 64-ports 400Gb/s 32 OSFP Ports Unmanaged C2P Airflow (Reverse)

Scaling Out Data Centers with 400G InfiniBand Smart Switches

The NVIDIA Quantum-2-based QM9700 and QM9790 switch systems deliver an unprecedented 64 ports of 400Gb/s InfiniBand per port in a 1U standard chassis design. A single switch carries an aggregated bidirectional throughput of 51.2 terabits per second (Tb/s), with a landmark of more than 66.5 billion packets per second (BPPS) capacity. Supporting the latest NVIDIA high-speed interconnect 400Gb/s technology, NVIDIA Quantum-2 brings a high-speed, extremely low-latency and scalable solution that incorporates state-of-the-art technologies such as Remote Direct Memory Access (RDMA), adaptive routing, and NVIDIA Scalable Hierarchical Aggregation and Reduction Protocol (SHARP)

Main Specification
General Information
Manufacturer NVIDIA Corporation
Manufacturer Part Number MQM9790NS2R
Manufacturer Website Address http://www.nvidia.com
Brand Name Mellanox
Product Line Quantum-2
Product Series QM9700
Product Model QM9790
Product Name MQM9790-NS2R Quantum 2 NDR InfiniBand Switch
Product Type Ethernet Switch
Technical Information
Features Hot-swappable
Interfaces/Ports
Total Number of Network Ports 2
Network (RJ-45) Yes
Port/Expansion Slot Details 64 x 40/56/100/200/400BASE-X Gigabit Ethernet OSFP Expansion slots
Port/Expansion Slot Details 1 x RJ-45 UART Port
Port/Expansion Slot Details 1 x USB I2C Channel Port
Port/Expansion Slot Details 1 x RJ-45 Network Port
Port/Expansion Slot Details 1 x USB 3.0 Port
Media & Performance
Media Type Supported Optical Fiber
Media Type Supported Twisted Pair
Ethernet Technology 400 Gigabit Ethernet
Ethernet Technology 200 Gigabit Ethernet
Ethernet Technology 40 Gigabit Ethernet
Ethernet Technology 56 Gigabit Ethernet
Ethernet Technology 100 Gigabit Ethernet
Network Technology 100GBase-X
Network Technology 40GBase-X
Maximum Data Transfer Rate 50 GB/s
I/O Expansions
Total Number of Expansion Slots 64.0
Expansion Slot Type OSFP
Number of SFP Slots 32
Management & Protocols
Manageable No
Power Description
Input Voltage 120 V AC
Input Voltage 230 V AC
Power Source Power Supply
Redundant Power Supply Supported Yes
Number of Power Supplies Installed 1
Plug/Connector Type C15
Plug/Connector Type C14
Physical Characteristics
Compatible Rack Unit 1U
Form Factor Rail-mountable
Height 1.7"
Width 17.2"
Depth 26"
Weight (Approximate) 31.97 lb
Miscellaneous
Package Contents
  • 1 x MQM9790-NS2R Quantum 2 NDR InfiniBand Switch
  • 1 x Rail kit
  • 4 x Power cables Type C14 to C15
  • 1 x Harness: HAR000631 - Harness RS232 2M cable
  • 2 x Cable retainers
  • 32 x OSFP thermal caps 
Application/Usage Data Center
Energy Star Yes
Environmentally Friendly Yes
Energy Efficiency Certification 80 Plus Gold
Environmental Compliance Restriction of Hazardous Substances (RoHS)
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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