Nvidia ConnectX-7 Single-Port 400GbE OSFP PCI-Express 5.0 x16 High Profile NDR InfiniBand Network Adapter - 900-9X766-003N-SQ0

The NVIDIA ConnectX-7 900-9X766-003N-SQ0 is a single-port network adapter built for servers that need to keep pace with the fastest AI training and high-performance computing fabrics available today. Running over a full PCIe 5.0 x16 host connection with 400Gb/s NDR InfiniBand speeds, it's designed for compute nodes where network bandwidth can otherwise become the bottleneck in GPU-to-GPU communication.

Key Features

• Single-port 400GbE/NDR InfiniBand connectivity for maximum bandwidth
• Full PCIe 5.0 x16 host interface to avoid host-side bottlenecks
• OSFP connector for high-speed fabric cabling
• High-profile bracket for standard server chassis installation

Product Specifications

• Model: ConnectX-7 (900-9X766-003N-SQ0)
• Manufacturer: NVIDIA
• Port Count: 1 port
• Port Speed: 400Gb/s
• Network Standard: NDR InfiniBand
• Connector Type: OSFP
• Host Interface: PCI-Express 5.0 x16
• Bracket: High Profile

Use Cases

• GPU compute nodes in large-scale AI training clusters
• High-performance computing servers requiring minimal network latency
• Data center fabrics scaling toward NDR InfiniBand speeds
• Server upgrades pairing PCIe 5.0 hosts with matching network bandwidth

Compatibility

Requires a server with an available PCIe 5.0 x16 slot and connects into NDR InfiniBand fabric infrastructure using OSFP cabling.

Frequently Asked Questions

Does this adapter work with standard Ethernet switches?

It's built for NDR InfiniBand fabrics at 400Gb/s; confirm your switching infrastructure supports this standard before deployment.

What PCIe generation does this adapter require to run at full speed?

PCIe 5.0 x16 is needed to fully utilize the adapter's available bandwidth.

For AI infrastructure teams racing to keep network bandwidth ahead of GPU compute power, the ConnectX-7 delivers the raw throughput needed to prevent the network from becoming the next bottleneck.