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A high-tech enterprise specializing in the research and development of optical fiber communications and manufacturing.
The NVIDIA ConnectX-7 MCX75310AAS-NEAT is a state-of-the-art 400Gb/s network adapter specifically engineered for the exascale era and the most demanding AI-driven workloads. Featuring a single OSFP port, it provides unparalleled flexibility by supporting both NDR InfiniBand and 400GbE protocols through NVIDIA’s pioneering Virtual Protocol Interconnect (VPI) technology.
As the first generation to fully utilize the PCIe 5.0 x16 interface, this adapter effectively doubles the data throughput to the host, eliminating the I/O bottlenecks that often hinder performance in high-performance computing (HPC) and hyperscale cloud environments. Beyond raw speed, the MCX75310AAS-NEAT is built on a "security-first" architecture with Secure Boot and advanced hardware-accelerated engines. These engines offload complex networking, storage, and security tasks from the CPU, resulting in superior system efficiency, ultra-low latency, and enhanced data protection. It is the definitive choice for enterprises looking to build a secure, future-proof, and high-density computing infrastructure.
Product Description
NVIDIA MCX75310AAS-NEAT ConnectX-7 VPI Adapter Card, 400GbE/NDR Single-Port OSFP, PCIe 5.0 x16, Tall&Short Bracket
The NVIDIA® ConnectX®-7 MCX75310AAS-NEAT offers high-performance, flexible connectivity through a single 400Gb port, supporting both InfiniBand and Ethernet protocols, with MTU from 256B to 4KB and message sizes up to 2GB. For storage workloads, it provides software-defined, hardware-accelerated networking, storage, and security capabilities to help modernize and secure IT infrastructure. Integrated with AmpCon, it enables unified host-side and network-side management and visibility across multivendor NICs, including NVIDIA and Broadcom, helping reduce operational silos.
Product Highlights
PCIe 4.0/5.0 x16 Host Interface and NDR 400Gb/s Single-Port OSFP
Supports Dell, HP, IBM, Supermicro, Inspur & More
Tested for High Reliability in Target OS/modules
Unified Host-side and Network-side Management & Provisioning via AmpCon
RDMA Delivering Low Latency and High Performance
Enables SR-IOV, Geneve, VXLAN, PTP, and NVGRE Network Offloads
ASAP² Technology Accelerates Software-defined Networking
Edge-to-core Security with Inline TLS/IPsec/MACsec Encryption
Specifications
| Brand | Nvidia | Technology | VPI |
| Ports | Single-cage OSFP | Host Interface | PCIe 5.0 x16 |
| Link Rate | 32GT/s | Controller | ConnectX®-7 |
| Data Rate | (IB) NDR/NDR200/HDR/HDR100/EDR/FDR/SDR (Eth) 400/200/100/50/40/10/1Gb/s | Supported Operating Systems | Linux, Windows, VMware |
| RDMA | Yes | SR-IOV | Yes |
| Bracket Height | Tall & Short | HHHL Card Dimensions | 6.6"x2.71" (167.65mmx68.90mm) |
| Storage Temperature | -40 to 70 °C (-40 to 158 °F) | Operating Temperature | 0 to 55 °C (32 to 131 °F) |
Connectivity Solutions
Features
End-to-End RDMA over Converged Ethernet (RoCE) Solution
The ConnectX-7 NIC provides top-tier RDMA over Converged Ethernet (RoCE) capabilities and enables low-latency, lossless RoCE connectivity for scalable AI and HPC clusters, with simplified deployment and operations.
Single-Port Adapter Supporting 400Gb/s InfiniBand & Ethernet
ConnectX-7 NICs provide advanced, scalable, and secure networking solutions for demanding AI, scientific computing, and hyperscale cloud workloads, delivering speeds up to 400 Gb/s.
Unlock Seamless Network Performance with Compatibility Testing
Through comprehensive testing procedures, we ensure seamless compatibility with mainstream servers, guaranteeing the long-term reliability and stability of the entire network infrastructure.
Advanced Networking and Security
It supports SR-IOV and VirtIO hardware virtualization, optimizing performance, offloading cloud networking workloads, freeing CPU cores, and reducing total cost of ownership.
Questions & Answers
Q: What can I achieve by managing NVIDIA and Broadcom NICs with AmpCon?
A: AmpCon enables unified host-side and network-side management and monitoring across your data center fabric, simplifying operations in multivendor NIC environments. It streamlines batch deployment of RoCE configurations, allowing you to push standardized RoCE scripts or customized parameters, such as PFC, ECN, and DSCP, to multiple devices with just a few clicks. Once deployed, AmpCon provides real-time visibility into RoCE traffic across both switches and NICs, including PFC pause frames, ECN markings, and queue congestion statistics. This host-side and network-side visibility helps you quickly identify performance bottlenecks and proactively optimize your network for high-throughput, low-latency AI and HPC workloads.
Q: What are the differences between the OSFP interface modules on the network card side and the switch side?
A: The switch side uses finned OSFP modules with air convection, built-in fans, and mounted heatsinks for high-power/high-throughput thermal needs; the NIC side uses flat-top OSFP modules for compact spaces, relying on external fans/liquid cooling. For example, when implementing an 800G IB Switch to 2x 400G OSFP NIC with Modules, use the 800G Finned Top OSFP module #205113 on the switch side and the 400G Flat Top OSFP module #200963 on the nic side.
Q: How to configure MCX75310AAS-NEAT Single-port OSFP as 4 separate ports?
A: The MCX75310AAS-NEAT network card cannot be split into four 100G ports; this functionality is not supported. For NVIDIA NICs requiring port splitting functionality, we recommend selecting available CX8 series products. For example, the C8180 900-9X81E-00EX-ST0 supports splitting into up to 8 100G ports. To achieve 100G direct connectivity, consider 100G NVIDIA NICs such as the MCX623106AN-CDAT.
Q: Can this network adapter be used with a transceiver equipped with a finned top?
A: No, it can't. The NIC is compatible with the module equipped with a flat top, while the modules with finned tops are designed specifically for use with switches.
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