NVIDIA ConnectX-8 SuperNIC 400GbE
Brand: NVIDIA | Category: Network Switches
SKU: MCX855106AS-HEAT | Part #: MCX855106AS-HEAT | MPN: MCX855106AS-HEAT
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About the NVIDIA ConnectX-8 SuperNIC 400GbE
The NVIDIA ConnectX-8 SuperNIC 400GbE (part number MCX855106AS-HEAT) operates as a unified L2/L3 networking and compute acceleration platform, enabling advanced fabric designs through support for Ethernet, RoCEv2, and RDMA protocols with hardware-based adaptive routing and congestion control. This single-port 400GbE SuperNIC connects via QSFP112 interface and integrates directly into enterprise infrastructure through a PCIe 5.0 x16 host interface in a low-profile form factor. NVIDIA's in-network compute engine—SHARP v4—offloads collective operations and AllReduce functions directly into the fabric, while the NVIDIA DOCA programmable data plane enables CPU offload for networking, storage, and security workloads alongside hardware-accelerated encryption, firewall enforcement, and telemetry collection.
AI infrastructure teams, HPC cluster architects, and cloud datacenter operators deploy the ConnectX-8 SuperNIC to eliminate bottlenecks in machine learning training pipelines, scientific computing workflows, NVMe-oF storage fabrics, and real-time analytics platforms. The combination of GPUDirect RDMA and GPUDirect Storage capabilities ensures zero-copy data movement between GPUs and network endpoints, while RoCEv2 support guarantees low-latency, reliable transport. Operating reliably across standard datacenter temperature ranges (0°C to 55°C) and meeting RoHS compliance requirements, this NVIDIA adapter transforms distributed computing economics by consolidating networking, acceleration, and offload functions into a single PCIe card.
Enterprise procurement teams evaluating next-generation interconnect infrastructure should request a detailed RFQ from Omnixon Global to explore pricing, configuration options, and regional availability for the MCX855106AS-HEAT and complementary networking solutions tailored to your deployment scale and timeline.
```Technical Specifications
| Brand | NVIDIA |
| Category | Network Switches |
| SKU | MCX855106AS-HEAT |
| Part Number | MCX855106AS-HEAT |
| Condition | New |
| Manufacturer Part Number | MCX855106AS-HEAT |
| Product Series | ConnectX-8 SuperNIC |
| Network Speed | 400GbE |
| Number of Ports | 1 x 400GbE |
| Port Interface | QSFP112 |
| Supported Protocols | Ethernet, RoCEv2, RDMA |
| Host Interface | PCIe 5.0 x16 |
| In-Network Compute | NVIDIA SHARP v4 (in-network AllReduce and collective offload) |
| RDMA Support | RoCEv2 with GPUDirect RDMA and GPUDirect Storage |
| Software Framework | NVIDIA DOCA (programmable data plane and service offload) |
| Offload Capabilities | CPU offload for networking, storage, and security; hardware-based encryption, firewall, and telemetry |
| Congestion Control | Hardware-based adaptive routing and advanced congestion control |
| Form Factor | PCIe Low-Profile |
| Operating Temperature | 0°C to 55°C (standard datacenter operating range) |
| Regulatory Compliance | RoHS compliant |
| Target Workloads | AI/ML training, HPC, NVMe-oF storage, cloud datacenter, real-time analytics |
Frequently Asked Questions about NVIDIA ConnectX-8 SuperNIC 400GbE
What does the NVIDIA ConnectX-8 SuperNIC 400GbE do?
The NVIDIA ConnectX-8 SuperNIC 400GbE is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.
Is the NVIDIA ConnectX-8 SuperNIC 400GbE compatible with my infrastructure?
The NVIDIA ConnectX-8 SuperNIC 400GbE interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.