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NVIDIA Mellanox Switches: Spectrum Ethernet & InfiniBand for AI/HPC

Mellanox network switch
September 23, 2025
Category Connection: Mellanox Network Switch
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Tags:
#mellanox infiniband switch #mellanox ethernet switch #mellanox switch
Brief: This video explains the main functions and practical uses of the NVIDIA Mellanox MQM8700-HS2R Quantum HDR InfiniBand switch in a clear, step-by-step format. You'll see how this 40-port switch delivers 200G connectivity for AI and HPC workloads, learn about its SHARP in-network computing technology, and discover deployment best practices for data center environments.
Related Product Features:
  • Provides 40 x 200G QSFP56 ports or 80 x 100G ports with 16 Tb/s non-blocking switching capacity.
  • Features SHARP in-network computing technology to accelerate collective operations for MPI, NCCL, and SHMEM frameworks.
  • Delivers sub-500ns end-to-end latency for time-sensitive AI and high-performance computing applications.
  • Includes dual redundant, hot-swappable 80 Plus Gold power supplies for enhanced reliability.
  • Offers adaptive routing and congestion control for optimal performance across various network topologies.
  • Supports backward compatibility with previous InfiniBand generations for seamless integration.
  • Enables 40% reduction in power consumption during partial utilization for improved efficiency.
  • Provides 99.999% reliability in enterprise deployment scenarios with comprehensive management options.
Faqs:
  • What is the port configuration of the MQM8700-HS2R switch?
    The MQM8700-HS2R features 40 x 200G QSFP56 ports that can be configured as 80 x 100G ports, providing flexible connectivity options for high-density data center environments.
  • How does the SHARP technology benefit AI and HPC workloads?
    SHARP (Scalable Hierarchical Aggregation and Reduction Protocol) enables computation within the network infrastructure, dramatically accelerating collective operations for MPI, NCCL, and SHMEM frameworks, which reduces communication overhead in distributed training and scientific simulations.
  • What are the key differences between the MQM8700-HS2R and other models in the series?
    The MQM8700-HS2R is a managed switch with Cooling-to-Port airflow configuration, while other models like the MQM8700-HS2F have Port-to-Cooling airflow, and the MQM8790 series offers unmanaged variants with similar airflow options.
  • What deployment considerations are important for this switch?
    Key deployment considerations include verifying compatibility with existing InfiniBand hardware, ensuring proper airflow alignment with data center cooling systems, maintaining operating temperatures between 0°C and 40°C, and planning for power redundancy with dual power supplies.
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