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Home Switching Data Center Switches InfiniBand Switches Mellanox MQM9790-NS2R 400Gb Quantum-2 InfiniBand Switch

Mellanox MQM9790-NS2R 400Gb Quantum-2 InfiniBand Switch

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Enterprise-grade NVIDIA Mellanox Quantum-2 InfiniBand switch with 64×400Gb/s connectivity through 32 OSFP ports, unmanaged operation, and C2P airflow, engineered for AI infrastructure, HPC clusters, cloud-scale computing, and high-density data center fabrics.

OVERVIEW

  • The NVIDIA Mellanox MQM9790-NS2R is a Quantum-2 InfiniBand switch designed to deliver high-bandwidth, ultra-low-latency networking for AI, high-performance computing, and modern enterprise data center environments. Featuring 64×400Gb/s connectivity through 32 OSFP ports and optimized with C2P (Connector-to-Power) airflow, it supports efficient deployment in high-density rack architectures. Compared with previous Quantum HDR platforms, it provides next-generation 400Gb/s bandwidth, improved cooling alignment for enterprise rack designs, and greater infrastructure scalability, making it a strong choice for long-term data center modernization. It is ideally suited for cloud providers, research institutions, financial organizations, government agencies, healthcare environments, and enterprises investing in future-ready AI and HPC networking.

USE CASES

  • AI training clusters supporting large-scale language models
  • GPU computing environments requiring high-speed interconnects
  • High-performance computing facilities running engineering simulations
  • Cloud service providers building next-generation compute fabrics
  • Enterprise RDMA storage networking deployments
  • Scientific research centers processing large computational workloads
  • Financial analytics platforms requiring deterministic low latency
  • University supercomputing infrastructures supporting advanced research
  • Data center modernization replacing legacy InfiniBand fabrics
  • High-density enterprise racks optimized for C2P airflow deployment

KEY FEATURES

  • Quantum-2 InfiniBand switching architecture
  • 64×400Gb/s high-speed InfiniBand connectivity
  • 32 high-density OSFP interfaces
  • Unmanaged switch platform
  • Connector-to-Power (C2P) airflow design
  • Optimized for AI and HPC infrastructure
  • Supports large GPU cluster deployments
  • Provides ultra-low latency network communication
  • Designed for high-density enterprise data centers
  • Improves east-west traffic efficiency
  • Supports scalable cloud infrastructure expansion
  • Optimized for RDMA-enabled storage environments
  • Enhances operational efficiency across compute fabrics
  • Supports infrastructure modernization initiatives
  • Built for long-term enterprise scalability

TECHNICAL SPECIFICATIONS

  • Brand: NVIDIA Mellanox
  • Product Family: Quantum-2 InfiniBand Switch
  • Model: MQM9790-NS2R
  • Part Number: MQM9790-NS2R
  • SKU: MQM9790-NS2R
  • Product Type: Unmanaged InfiniBand Switch
  • Switch Architecture: Quantum-2 InfiniBand
  • Network Connectivity: 64 × 400Gb/s InfiniBand
  • Network Ports: 32 × OSFP
  • Management: Unmanaged
  • Airflow: C2P (Connector-to-Power)
  • Primary Connectivity: 400Gb/s InfiniBand
  • Deployment Environment: AI Infrastructure, HPC, Enterprise Data Centers, Cloud Computing, Storage Networking

WHY CHOOSE THIS PRODUCT?

  • The MQM9790-NS2R is an excellent choice for organizations deploying large AI clusters, HPC environments, and cloud-scale infrastructures where high throughput, low latency, and efficient rack cooling are essential. Compared with earlier Quantum platforms, it delivers next-generation 400Gb/s connectivity, high-density OSFP interfaces, and a C2P airflow design that aligns with modern hot-aisle/cold-aisle data center strategies. Its architecture supports scalable compute fabrics, storage networking, and infrastructure modernization while helping enterprises improve operational efficiency, simplify future expansion, optimize cooling performance, and maximize long-term return on networking investments.

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