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NVNEXUS

NVIDIA ConnectX-8 SuperNIC

800 Gb/s SuperNIC accelerating East-West GPU traffic in AI factories. Native support for InfiniBand and Ethernet, in-network computing, and PCIe Gen 6.

Description

Overview

The NVIDIA ConnectX-8 SuperNIC is the latest generation of NVIDIA’s SuperNIC line, delivering 800 Gb/s of network bandwidth per port and PCIe Gen 6 host connectivity. ConnectX-8 is engineered for the demands of modern AI factories where every nanosecond of latency and every joule of power matter.

Key Features

  • 800 Gb/s Throughput: Per-port line rate for the most demanding AI workloads.
  • PCIe Gen 6: Doubles host bandwidth versus Gen 5.
  • Multi-Protocol: InfiniBand and Ethernet from a single ASIC.
  • In-Network Computing: SHARPv4 collective offload reduces all-reduce time.
  • NVIDIA DOCA: Programmable data path for AI, security, and storage offloads.

Technical Specifications

Specification Details
Port Speed Up to 800 Gb/s
Host Interface PCIe Gen 6 x16
Protocols InfiniBand NDR/XDR, Ethernet 800GbE
Form Factors OCP 3.0, HHHL PCIe
Software NVIDIA DOCA, NVIDIA UCX

Ideal Use Cases

  • GPU-to-GPU East-West traffic in DGX and HGX clusters
  • Quantum-X800 and Spectrum-X scale-out fabrics
  • RDMA storage and high-performance file systems

Why Choose ConnectX-8?

ConnectX-8 is the network endpoint that lets your AI cluster deliver the throughput your GPUs paid for. We help size ports per node, validate cabling, and integrate with NVIDIA Quantum-X800 or Spectrum-X switches.

Interested? Contact us for personalized pricing and configuration options.