NVIDIA/Mellanox Q3400-RA 4U Quantum-3 based XDR InfiniBand switch 920-9B36F-00RX-8S0-B

NVIDIA/Mellanox Q3400-RA Quantum-3 InfiniBand Switch (920-9B36F-00RX-8S0-B)

The NVIDIA/Mellanox Q3400-RA Quantum-3 InfiniBand Switch (SKU: 920-9B36F-00RX-8S0-B) is a high-performance networking platform engineered for the most demanding artificial intelligence (AI), machine learning (ML), high-performance computing (HPC), and hyperscale data center environments. Built on NVIDIA’s advanced Quantum-3 InfiniBand architecture, this enterprise-class switch delivers exceptional bandwidth, ultra-low latency, and massive scalability to support next-generation computing clusters.

Designed for organizations operating large GPU and CPU clusters, the Q3400-RA provides up to 144 XDR InfiniBand ports, enabling ultra-fast communication between servers, storage systems, and accelerators. The platform supports data rates of up to 400Gb/s per port, making it an ideal solution for AI training workloads, scientific simulations, financial modeling, cloud infrastructure, and data-intensive research applications.

One of the key advantages of the Quantum-3 architecture is its ability to reduce network congestion while maintaining consistent performance across large-scale deployments. Advanced traffic management, adaptive routing, and hardware-based acceleration help maximize throughput while minimizing latency. This allows AI and HPC applications to scale efficiently across thousands of interconnected nodes without suffering performance bottlenecks.

The Q3400-RA utilizes 72 OSFP cages to support high-density networking configurations, helping data center operators maximize rack space and infrastructure efficiency. Its 4U rack-mount form factor is optimized for enterprise and hyperscale environments where performance, reliability, and serviceability are critical. The switch is also equipped with eight redundant hot-swappable power supplies, ensuring continuous operation and minimizing downtime in mission-critical deployments.

For AI factories and modern GPU clusters, the Quantum-3 platform offers advanced features such as congestion control, telemetry, quality of service, and enhanced fabric management tools. These capabilities enable administrators to monitor network health, optimize resource utilization, and rapidly identify performance issues before they impact workloads.

Reliability is another major strength of the Q3400-RA. Enterprise-grade components, redundant architecture, and robust cooling systems ensure stable operation even under heavy workloads. Whether deployed in a national research laboratory, cloud provider facility, university supercomputing center, or enterprise AI environment, the switch is built to deliver dependable performance around the clock.

As AI models continue to grow in complexity and data volumes expand, organizations require networking solutions capable of supporting unprecedented levels of compute density. The NVIDIA/Mellanox Q3400-RA addresses these requirements by combining industry-leading InfiniBand technology with the scalability needed for future growth.

For businesses investing in advanced AI infrastructure, machine learning clusters, and exascale computing environments, the NVIDIA/Mellanox Q3400-RA Quantum-3 InfiniBand Switch represents a powerful, future-ready networking solution that delivers exceptional speed, efficiency, and reliability.

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