NVIDIA Quantum-2 Q3400-RA InfiniBand Switch

NVIDIA Quantum-2 Q3400-RA InfiniBand Switch

Brand: NVIDIA | Category: Network Switches

SKU: Q3400-RA | Part #: 920-9B36F-00RX-8S0 | MPN: 920-9B36F-00RX-8S0

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About the NVIDIA Quantum-2 Q3400-RA InfiniBand Switch

NVIDIA Quantum-2 Q3400-RA InfiniBand Switch is the industry-leading high-performance switch fabric for AI supercomputers, HPC clusters, and real-time compute environments.

Key Features:

  • 48 x 400Gbps QSFP112 InfiniBand ports for maximum fabric density
  • Cut-through switching with <100ns latency for extreme performance
  • Quantum-2 architecture supporting NDR (900Gbps) backward compatibility
  • In-network computing capabilities with advanced traffic management
  • Redundant power supplies and modular design for high availability
  • OpenFabrics management and NVIDIA UFM monitoring integration

Ideal for:

  • Large-scale AI model training with hundreds of GPUs
  • Exascale computing research and scientific simulations
  • Real-time financial simulations and risk analytics
  • Distributed deep learning platforms and foundation model training

Technical Specifications

BrandNVIDIA
CategoryNetwork Switches
SKUQ3400-RA
Part Number920-9B36F-00RX-8S0
ConditionNew
Manufacturer Part Number920-9B36F-00RX-8S0
Form Factor1U Rack
Port Count64 ports
InterfaceInfiniBand NDR
Data Transfer Rate400 Gbps per port
Supported SpeedsNDR400, NDR200
Total Fabric Throughput25.6 Tbps
Connector TypeQSFP112
ManagementQuantum Fabric Manager
Switching ArchitectureCut-through switching
Buffer Memory256 MB
Power Consumption1500 W
Operating Temperature0–55 °C

Frequently Asked Questions about NVIDIA Quantum-2 Q3400-RA InfiniBand Switch

What does the NVIDIA Quantum-2 Q3400-RA InfiniBand Switch do?

The NVIDIA Quantum-2 Q3400-RA InfiniBand Switch is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Arista environments.

What are the headline specs of the NVIDIA Quantum-2 Q3400-RA InfiniBand Switch?

Key specifications for the NVIDIA Quantum-2 Q3400-RA InfiniBand Switch: new condition; manufacturer part number 920-9B36F-00RX-8S0; form factor 1U Rack; port count 64 ports; interface InfiniBand NDR; data transfer rate 400 Gbps per port; supported speeds NDR400, NDR200. Manufacturer part number 920-9B36F-00RX-8S0. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.

Is the NVIDIA Quantum-2 Q3400-RA InfiniBand Switch compatible with my infrastructure?

The NVIDIA Quantum-2 Q3400-RA InfiniBand Switch interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.