NVIDIA Mellanox Q3450-LD 800Gb/s XDR InfiniBand Switch

• AI factory networking
• Large-scale GPU cluster fabrics
• HPC and supercomputing environments
• Machine learning infrastructure
• High-performance storage fabrics
• Scientific research computing
• Enterprise AI data centers
• XDR InfiniBand fabric expansion
• Dense rack-scale compute networking
• Next-generation AI infrastructure modernization

• 144 XDR InfiniBand ports
• 800Gb/s per-port capability
• 144 direct MPO connectors
• 115.2Tb/s switching throughput
• Quantum-3 switch architecture
• Co-packaged optics design
• Integrated silicon photonics
• Liquid-cooled 4U chassis
• Managed InfiniBand operation
• 48VDC busbar power
• C2P configuration
• Two front management ports
• Replaceable fan modules
• 19-inch rack mounting
• Designed for large-scale AI and HPC fabrics 

• Brand: NVIDIA Mellanox
• Part Number: 920-9B36M-00MX-8NS / 920-9B36M-00MX-8S0 / 920-9B36M-00MX-8QS
• Model: Q3450-LD
• Product Family: Quantum-3
• Platform: Quantum-X800
• Product Type: XDR InfiniBand CPO Switch
• Form Factor: 4U
• InfiniBand Ports: 144
• Port Speed: 400Gb/s, 800Gb/s
• Connector: 144 MPO connectors
• Switching Throughput: 115.2Tb/s
• Cooling: Liquid-cooled
• Airflow: C2P
• Power Input: 2 × DGX-compliant busbar connectors
• Input Voltage: 40–60V
• Maximum Power Consumption: 4.3kW with active cables
• Liquid Cooling Connection: 4 × UDQ4
• Dimensions: 175 × 438 × 840 mm
• Rack Mounting: 19-inch
• Weight: 57.20 kg
• Operating Temperature: 5°C to 40°C, reverse airflow
• Non-Operating Temperature: -40°C to 70°C
• Operating Humidity: 10–85% non-condensing
• Altitude: Up to 3050m
• CPU: Intel CFL 4-core i3-8100H, 3GHz
• Switch ASIC: Quantum-3
• Rail Kit: Included 

WHY CHOOSE THIS PRODUCT?

• Q3450-LD suits organizations building extremely dense 800Gb/s XDR InfiniBand fabrics for AI and HPC. Its 144-port MPO architecture, co-packaged optics, liquid cooling, and 115.2Tb/s switching capacity provide a differentiated path for scaling high-bandwidth GPU infrastructure while reducing the need for conventional pluggable optical transceivers.