NVIDIA ConnectX-8 C8240 HHHL dual-port QSFP112 SuperNIC with 400GbE or NDR 400Gb/s InfiniBand, PCIe Gen6 x16, and SocketDirect for production AI and HPC servers.
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NVIDIA ConnectX-8 C8240 400G HHHL SuperNIC | 900-9X81Q-00CN-ST0
NVIDIA ConnectX-8 C8240 400G HHHL SuperNIC (900-9X81Q-00CN-ST0)
NVIDIA ConnectX-8 C8240 is a mass-production dual-port HHHL SuperNIC for 400GbE Ethernet or NDR 400Gb/s InfiniBand. It combines dual QSFP112 ports with PCIe Gen6 x16 and an x16 SocketDirect extension option for high-performance AI, HPC, storage, and cloud server connectivity.
Availability / RFQ: NVIDIA currently documents this product family as being in mass production. Catalyst lists it for RFQ because exact board, system, support, quantity, and lead-time availability can vary by channel and deployment. Contact Catalyst Data Solutions to discuss current status, compatibility, configuration requirements, and sourcing options.Compliance notice: Sales and shipment may be subject to applicable U.S. export controls, destination screening, end-user/end-use requirements, and OEM/channel policies. Availability and eligibility must be verified before quotation or shipment.
Technical Specifications
| OPN / SKU | 900-9X81Q-00CN-ST0 |
|---|---|
| Product Type | SuperNIC / Network Adapter |
| Model | ConnectX-8 C8240 |
| Network Interface | Dual-port QSFP112 |
| Network Speed | 400GbE or NDR 400Gb/s InfiniBand |
| Host Interface | PCIe Gen6 x16 |
| Extension | x16 PCIe SocketDirect |
| Form Factor | HHHL |
| Lifecycle | Mass Production |
| Availability Status | Mass Production / RFQ |
Deployment and Compatibility Considerations
- Confirm server SocketDirect support, PCIe topology, slot placement, airflow, and power.
- Select QSFP112 optics/cables for 400G Ethernet or NDR InfiniBand fabric mode.
- Validate firmware, DOCA/driver stack, switch compatibility, and OEM server support.
- Match network design to GPU communication, storage, or east-west bandwidth requirements.
Common Use Cases
- 400G AI and HPC networking
- NDR InfiniBand GPU fabrics
- 400GbE AI Ethernet
- High-performance storage and cloud infrastructure
Frequently Paired Infrastructure
- Spectrum-X Ethernet switches
- Quantum InfiniBand switches
- DGX/HGX and OEM GPU servers
- QSFP112 optics and LinkX cables
Official NVIDIA Documentation
NVIDIA ConnectX-8 SuperNIC User Manual
Frequently Asked Questions
Is ConnectX-8 C8240 in mass production?
Yes. NVIDIA’s current ConnectX-8 hardware manual lists OPN 900-9X81Q-00CN-ST0 as Mass Production.
What fabric speeds does C8240 support?
NVIDIA documents 400GbE Ethernet or NDR 400Gb/s InfiniBand.
| product type | SuperNIC / Network Adapter |
|---|---|
| Architecture / Series | NVIDIA ConnectX-8 C8240 |
| Network Speed | 400GbE / NDR 400Gb/s InfiniBand |
| Host Interface / Form Factor | PCIe Gen6 x16 / HHHL |
| Availability Status | Mass Production / RFQ |
