NVIDIA ConnectX-8 SuperNIC 800Gb/s PCIe Gen6 Adapter – Single-Port OSFP, InfiniBand/Ethernet, for AI/HPC Clusters

The industry's highest-performance 800 Gb/s networking adapter, purpose-built for massive-scale AI factories and hyperscale cloud data centers. Featuring PCIe Gen6 host interface and support for both InfiniBand and Ethernet, this SuperNIC delivers extreme throughput, advanced congestion control, and in-network computing acceleration for trillion-parameter AI workloads.

The NVIDIA ConnectX-8 SuperNIC (model: 900-9X81Q-00CN-ST0) represents a generational leap in network connectivity for AI and high-performance computing. Designed as the foundational building block for next-generation AI fabrics, this adapter delivers up to 800 Gb/s of bi-directional throughput, enabling unprecedented scaling for GPU clusters supporting hundreds of thousands of accelerators.

As a key component of the NVIDIA networking portfolio, the ConnectX-8 SuperNIC integrates seamlessly with NVIDIA switches and GPUs, providing end-to-end network performance optimized for both training and inference at scale. Whether deployed in InfiniBand or Ethernet mode, this adapter ensures low latency, high message rates, and power-efficient operation—critical for sustainable AI data center growth.

The ConnectX-8 SuperNIC is engineered around a purpose-built ASIC that integrates a 800 Gb/s network interface with a PCIe Gen6 host interface. This architecture enables RDMA and RoCEv2 accelerations, high-speed packet reordering, and burst-buffer offloads that are essential for distributed AI training. The adapter also supports NVIDIA GPUDirect RDMA, allowing direct data movement between GPUs across the network without CPU intervention, dramatically reducing latency and improving application scalability.

For cloud and enterprise environments, the ConnectX-8 SuperNIC includes Accelerated Switching and Packet Processing (ASAP2), providing hardware-accelerated OVS, overlay network offloads (VXLAN, GENEVE, NVGRE), connection tracking, and hierarchical QoS. These features make it equally suitable for virtualized workloads, SDN deployments, and containerized microservices architectures.

The ConnectX-8 SuperNIC is fully compatible with:

Note: For specific chassis and server compatibility, please verify mechanical dimensions and thermal requirements before ordering.

Hong Kong Starsurge Group Co., Limited provides comprehensive pre-sales and post-sales support for the NVIDIA ConnectX-8 SuperNIC portfolio:

Hong Kong Starsurge Group Co., Limited is a technology-driven provider of network hardware, IT services, and system integration solutions. Founded in 2008, the company serves customers worldwide with products including network switches, NICs, wireless access points, controllers, cables, and related networking equipment.

Backed by an experienced sales and technical team, Starsurge supports industries such as government, healthcare, manufacturing, education, finance, and enterprise. The company also offers IoT solutions, network management systems, custom software development, multilingual support, and global delivery. With a customer-first approach, Starsurge focuses on reliable quality, responsive service, and tailored solutions that help clients build efficient, scalable, and dependable network infrastructure.