NVIDIA Quantum-X800 InfiniBand Switches

Accelerating AI workloads with 800Gb/s throughput and ultra-low latency

NVIDIA Quantum-X800 Switch Family
NVIDIA Quantum-X800 InfiniBand Switch
Switch Models Comparison
Q3200-RA
• 2U form factor
• Two switches × 36 ports
• 28.8Tb/s throughput each
• Air-cooled
Q3400-RA/RD
• 4U form factor
• 144 800Gb/s ports
• 115.2Tb/s throughput
• Air-cooled
Q3450-LD
• 4U form factor
• 144 800Gb/s ports
• Co-packaged optics
• Liquid-cooled (85%)
Key Benefits
Highest Scale for AI 2X faster speeds and 5X higher scalability, supporting over 10,000 800Gb/s host connections in a two-tier fat-tree topology
Next-Gen In-Network Computing 4th generation SHARP technology with FP8 precision support, boosting performance by up to 9X
Higher Effective Bandwidth Enhanced adaptive routing and telemetry-based congestion control for near-perfect effective bandwidth
Enhanced Power Efficiency Quantum-X Photonics co-packaged optics (CPO) reduces power consumption, latency, and TCO
Software Operations NVIDIA Networking OS Software (NVOS) with comprehensive chassis management and system configuration
Technical Features
800Gb/s port speeds with ultra-low latency
RDMA for efficient memory access
Self-healing network technology
Silicon Photonics CPO technology
200Gb/s per lane SerDes technology
Performance isolation for multi-tenant environments
Communications frameworks offloads
Power capping capabilities
Optional router capabilities for multi-site expansion
Integrated with NVIDIA UFM fabric management
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