Hardware Datasheet · Networking
NVIDIA Networking
NVIDIA ConnectX-7 NDR 400G Single-Port OSFP InfiniBand Adapter
Single-port 400G NIC delivering full per-GPU rail bandwidth for training.
Overview
The ConnectX-7 NDR 400G is a single-port OSFP InfiniBand adapter on PCIe Gen5 x16, purpose-built to give each GPU a dedicated 400Gb/s rail in dense training servers. Nexus Compute specifies, configures, and validates each card against your server platform and firmware baseline, delivered warranty-backed through NVIDIA-authorized channels.
Specifications
| Network Port | 1x NDR 400Gb/s InfiniBand (OSFP) |
| Host Interface | PCIe 5.0 x16 |
| Message Rate | Up to ~330-370 M msg/sec |
| Acceleration | Collectives, MPI tag matching, all-to-all engines |
| GPUDirect | GPUDirect RDMA and Storage |
| Form Factor | PCIe HHHL (OSFP riding-heatsink cage) |
| Security | Secure boot, hardware root of trust |
| Warranty | Manufacturer-backed via authorized channels |
Typical Use Cases
- ·Per-GPU rail adapters in DGX-class servers
- ·Low-latency MPI for HPC simulation
- ·RDMA host adapter for NDR fabrics
- ·GPUDirect storage and RDMA
Industries
Warranty & Support
Supplied through authorized channels with full manufacturer warranty. On-site, next-business-day support options available. Every system is configured, tested, and documented before delivery, with asset and warranty records provided for enterprise audit requirements.
Request a tailored quote
Configurations are tailored per engagement — contact us for pricing and lead times.
sales@nexus-compute.com
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Specifications are indicative and configured to each engagement. All product names, logos, and trademarks are the property of their respective owners. Nexus Compute is an independent enterprise hardware supplier.