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NVIDIA Quantum-3 XDR
Q3400-RA | Part Number: 920-9B36F-00RX-8S0
NVIDIA Quantum-3 XDR InfiniBand Switch Q3400-RA — 4U, 144 XDR ports over 72 OSFP cages, 8 PSUs, C2P airflow, managed, with rail kit
BRAND NEW IN BOX | Large Quantities Available
REDUCING LEADTIMES
COST SAVINGS
LIFETIME WARRANTY
SUSTAINABLE SOLUTIONS
NVIDIA Quantum-3 XDR
Part Number: 920-9B36F-00RX-8S0
TThe NVIDIA Q3400-RA (Quantum-X800) is NVIDIA’s flagship 800Gb/s InfiniBand switch designed for large-scale AI, machine learning, and high-performance computing (HPC) clusters. It is powered by the Quantum-3 ASIC and serves as the backbone for next-generation GPU fabrics connecting systems such as NVIDIA DGX and large AI supercomputers.
Features
- 800Gb/s speed
- Ultra-low latency
- 4th generation NVIDIA SHARP
- Self-healing technology
- Enhanced adaptive routing
- Telemetry-based congestion control
- Communications frameworks offloads
Proven Reliable 1.6T Optical Interconnect for NVIDIA B300 AI Clusters
NVIDIA Quantum-X800 InfiniBand switches deliver 800 gigabits per second (Gb/s) throughput, with ultra-low latency and advanced NVIDIA In-Network Computing, which is essential for handling trillion-parameter-scale generative AI. These switches incorporate advanced features, including remote direct-memory access (RDMA), the fourth-generation NVIDIA® Scalable Hierarchical Aggregation and Reduction Protocol (SHARP)™, adaptive routing, telemetry-based congestion control, and self-healing technologies. Such enhancements elevate overall application performance within high-performance computing (HPC) and AI data centers.
NVIDIA Quantum-X800 Switches
The NVIDIA Quantum-X800 Q3400-RA 4U switch, the first to leverage 200Gb/sper- lane serializer/deserializer (SerDes) technology, significantly enhances network performance and bandwidth. It features 144 ports at 800Gb/s distributed across 72 octal small form-factor pluggable (OSFP) cages. The switch’s high radix supports a two-level fat-tree topology capable of connecting up to 10,368 network interface cards (NICs) with minimal latency and optimal job locality, as well as other topologies providing connectivity to tens of thousands of GPUs. The Q3400 is air-cooled. Data centers that use liquid cooling can opt for the liquid-cooled system, Q3400-LD, as well.
Benefits
Highest scale for AI:
NVIDIA Quantum-X800 switches enable 2X faster speeds and 5X higher scalability for AI compute fabrics. A two-tier Quantum-X800 fattree topology can support over 10,000 800Gb/s host connections.
Next-generation In-Network Computing:
Quantum-X800 switches support SHARP for efficient offloading of compute operations to the network, boosting performance by up to 9X. The fourth-generation of SHARP adds support for FP8 precision and new collective operations such as ReduceScatter and ScatterGather.
Higher effective bandwidth and performance isolation:
Quantum-X800 switches support enhanced adaptive routing and telemetry-based congestion control. This enables nearly perfect effective bandwidth, as well as performance isolation for multi-tenant and multi-job environments.
Enhanced software operations:
Quantum-X800 switches include NVIDIA Networking OS Software (NVOS) for comprehensive chassis management and system configuration. NVOS supports various interfaces, including a commandline interface (CLI), REST APIs, Simple Network Management Protocol (SNMP), and gRPC Network Management Interface (gNMI) telemetry.
Connectivity Solutions
For NVIDIA B300 AI clusters, the NVIDIA Quantum-X800 Q3400-RA switch serves as the foundation of a high-density leaf-spine architecture. In this architecture, NADDOD 800G XDR transceivers connect GPU servers to the leaf switches, while NADDOD 1.6T XDR transceivers enable high-bandwidth interconnects between the leaf and spine switches, supporting efficient data transfer across the network.
For NVIDIA GB300 & Rubin NVL72 AI clusters, the NVIDIA Quantum-X800 Q3400-RA switch serves as the foundation of a high-density leaf-spine architecture. In this architecture, NADDOD 800G XDR transceivers connect the NVL72 system to the leaf switches, while NADDOD 1.6T XDR transceivers enable high-bandwidth interconnects between the leaf and spine switches, supporting efficient data transfer across the network.
“NVIDIA Quantum-X800 InfiniBand switches are pivotal for achieving trillion-parameterscale generative AI.”
FAQ
UFM is a comprehensive platform that includes different types such as Telemetry, Enterprise, and Cyber-AI. Among them, UFM Enterprise is the most widely used, offering web-based full-network management, monitoring, and analysis. It can control the entire IB network (including HCA, cables, and switches) through in-band management. The server running UFM must meet software requirements and be equipped with an IB network adapter for in-band connectivity.
Multiple Parts Available & Ready to Ship with Lifetime Warranty
See Part List Below for a Sampling of Our Inventory
Don’t see what you’re looking for? Our Inventory is always changing, please contact us for current stock.
| Manufacturer | Part # | Description | QTY | |
| NVIDIA | 920-9B36F-00RX-8S0 | Q3400-RA | NVIDIA Quantum-3 XDR InfiniBand Switch Q3400-RA — 4U, 144 XDR ports over 72 OSFP cages, 8 PSUs, C2P airflow, managed, with rail kit | Contact for Current Inventory |
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