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MQM8790-HS2F
MQM8790-HS2F
MQM8790-HS2F
MQM8790-HS2F

MQM8790-HS2F

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The MQM8790-HS2F is a 1U HDR 200Gb/s InfiniBand switch from NVIDIA’s Quantum series (formerly Mellanox). Designed for hyperscale computing and AI-driven workloads, it delivers industry-leading performance, energy efficiency, and scalability for modern data centers and HPC clusters.

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Introduction

Key Features & Specifications

1、Network Performance

  • Port Configuration:
    • 40 × QSFP56 ports supporting 200Gb/s HDR InfiniBand (bidirectional).
    • Splitter cable compatibility: Converts to 80 × HDR100 100Gb/s ports  
  • Throughput: Non-blocking 16Tb/s aggregate switching capacity  
  • Latency: Ultra-low <130ns port-to-port switching delay  

2、Hardware Design

  • Form Factor: 1U rack-mountable (43.6mm H × 433.2mm W × 590.6mm D) 
  • Redundancy:
    • Power: 1+1 redundant hot-swappable 80+ Gold/Energy Star-certified PSUs.
    • Cooling: N+1 redundant hot-swappable fans 
  • Power Efficiency: Typical consumption of 122W, optimized for green data centers

3、Advanced Technologies

  • SHARP (Scalable Hierarchical Aggregation Protocol): Accelerates collective communications (e.g., MPI operations) with network-in-compute capabilities, reducing CPU overhead by up to 30% 
  • Adaptive Routing & Congestion Control: Dynamically balances traffic to prevent bottlenecks.
  • VL2VL Mapping: Enables QoS prioritization for latency-sensitive workloads

4、Backward Compatibility

Supports legacy InfiniBand standards: 40G QDR, 56G FDR, 100G EDR

 

Target Applications

  • AI/ML Clusters: Optimizes GPU-to-GPU communication for large-scale model training.
  • High-Performance Computing (HPC): Accelerates distributed simulations and genomics research.
  • Cloud Infrastructure: Supports NVMe-oF (NVMe over Fabrics) and Kubernetes-native networking.
  • Enterprise Data Centers: Ideal for storage disaggregation and hyper-converged infrastructure (HCI)
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