Push cluster traffic into the 400 Gb/s class with the NVIDIA ConnectX-7 adapter card. This single-port OSFP model is built for NDR InfiniBand environments where bandwidth density and latency matter more than port count. PCIe 5.0 x16 provides the host-side headroom needed to keep the adapter fed in demanding HPC, AI training, and large-scale storage fabrics. The single-port design keeps the footprint focused while preserving the throughput profile required for modern accelerator-rich systems. For infrastructure teams, that means fewer compromises when building high-performance nodes, especially where rack space, thermals, and cabling discipline are part of the design brief. Compared with lower-speed adapters, this card is aimed at environments that have already outgrown 100 Gb/s and 200 Gb/s links. It is the kind of component you specify when the network is part of the compute plan, not an afterthought. If your fabric design depends on sustained throughput and predictable latency, this adapter belongs in the conversation.