MCX75310AAS-NEAT Nvidia ConnectX-7 Single-Port Adapter

Nvidia MCX75310AAS-NEAT ConnectX-7 Adapter Overview

Nvidia MCX75310AAS-NEAT ConnectX-7 Single-Port Adapter PCIe 5.0 x16 represents a new generation of high-performance networking solutions designed for data centers, HPC clusters, and AI workloads. Built on the ConnectX-7 ASIC architecture, this adapter delivers unmatched throughput, ultra-low latency, and advanced virtualization capabilities. Its single-port OSFP configuration ensures streamlined connectivity while maintaining compatibility with modern server infrastructures.

Architecture and Core Technology

The MCX75310AAS-NEAT is powered by the ConnectX-7 ASIC, which integrates advanced packet processing, congestion control, and secure boot features. This architecture supports both InfiniBand and Ethernet protocols, offering flexibility for diverse deployment scenarios. The NEAT variant disables cryptographic acceleration, focusing instead on raw performance and efficiency for environments where encryption is not required.

PCIe 5.0 x16 Host Interface

With PCIe Gen5 x16 connectivity, the adapter achieves maximum bandwidth between the host system and the network. This ensures that applications requiring high throughput, such as GPU-intensive AI training or large-scale simulations, can operate without bottlenecks. Backward compatibility with PCIe Gen4 and Gen3 allows deployment across a wide range of server platforms.

Bandwidth and Speed

The MCX75310AAS-NEAT supports up to 400Gb/s InfiniBand NDR and 400GbE Ethernet speeds. This level of performance is critical for next-generation workloads, enabling faster data transfers, reduced job completion times, and improved scalability in clustered environments.

Latency

Ultra-low latency performance, often below one microsecond, ensures that time-sensitive applications such as financial trading, real-time analytics, and scientific simulations can operate with minimal delay. The adapter’s hardware acceleration for RDMA and GPUDirect technologies further reduces communication overhead.

Server Compatibility

The adapter is validated for use with Nvidia DGX systems, Dell PowerEdge, HPE ProLiant, Lenovo Think System, Supermicro, ASUS, and Gigabyte enterprise servers. This broad compatibility ensures seamless integration into existing infrastructures without requiring extensive modifications.

Operating System Support

Supported operating systems include Ubuntu, Red Hat Enterprise Linux, Rocky Linux, AlmaLinux, SUSE Linux Enterprise, VMware ESXi, and Windows Server editions. This wide OS support allows deployment across diverse environments, from bare-metal HPC clusters to virtualized cloud data centers.

Driver and Software Ecosystem

The MCX75310AAS-NEAT works with Nvidia MLNX_OFED, DOCA, Linux mlx5_core, and WinOF-2 drivers. These drivers provide optimized performance, advanced management features, and compatibility with modern orchestration platforms such as Kubernetes, Docker, and OpenStack.

Virtualization and Cloud Readiness

SR-IOV support enables efficient virtualization, allowing multiple virtual machines to share the adapter while maintaining high performance. This makes the MCX75310AAS-NEAT ideal for cloud service providers and enterprises running multi-tenant environments.

Storage Protocols

The adapter supports NVMe over Fabrics, SMB Direct, NFS over RDMA, and iSER. These protocols enable high-speed storage access, reducing latency and improving throughput for large-scale storage networks and AI training datasets.

Congestion Control

Quality of Service and congestion control mechanisms ensure fair bandwidth distribution across workloads. This is particularly important in multi-tenant environments where resource contention can impact performance.

Form Factor and Bracket

The MCX75310AAS-NEAT uses a half-height, half-length design with a full-height bracket, making it suitable for a wide range of server chassis. Its compact design allows deployment in dense server environments without compromising airflow.

Cooling Mechanism

Equipped with a passive heatsink, the adapter relies on server airflow for cooling. This design reduces noise and power consumption while maintaining optimal operating temperatures between 0°C and 55°C.

Secure Boot

Secure boot functionality ensures that only authenticated firmware and drivers are loaded, protecting against malicious code injection. Although the NEAT variant disables cryptographic acceleration, secure boot remains active to safeguard system integrity.

Compliance Standards

The adapter complies with RoHS, CE, and FCC standards, ensuring environmental responsibility and regulatory adherence. These certifications guarantee safe deployment in enterprise and government environments.

InfiniBand and Ethernet Flexibility

The MCX75310AAS-NEAT supports both InfiniBand NDR and Ethernet VPI modes. This dual-protocol capability allows organizations to deploy the adapter in HPC clusters, AI training environments, or cloud data centers depending on their networking requirements.

RDMA and GPU Direct Technologies

RDMA support enables direct memory access between servers, reducing CPU overhead and improving performance. GPU Direct RDMA and GPU Direct Storage allow GPUs to communicate directly with network and storage devices, accelerating AI and HPC workloads.

Deployment Scenarios

In HPC clusters, the MCX75310AAS-NEAT provides the bandwidth and latency required for large-scale simulations, scientific research, and engineering workloads. Its compatibility with MPI and CUDA-aware MPI ensures seamless integration into existing HPC software stacks.

Artificial Intelligence and Machine 

AI training clusters benefit from the adapter’s high throughput and GPU Direct capabilities, enabling faster model training and reduced iteration times. Deep learning servers can leverage NVMe-oF storage protocols to access massive datasets efficiently.

Cloud Data Centers

Cloud providers can deploy the MCX75310AAS-NEAT to support multi-tenant environments, virtualization, and containerized workloads. Its SR-IOV support and QoS features ensure consistent performance across diverse applications.

Switch Integration

The adapter is compatible with Nvidia Quantum-2 InfiniBand switches, Quantum HDR switches, Spectrum-4 Ethernet switches, and Spectrum-3 Ethernet switches. This ensures seamless integration into modern networking fabrics.

Cable and Optics Support

Supported connectivity options include OSFP DAC cables, AOC cables, optical transceivers, and OSFP to 2×QSFP112 breakout cables. These options provide flexibility for different deployment scenarios, from short-range connections to long-distance optical links.

Operational Reliability

With robust design and compliance certifications, the MCX75310AAS-NEAT ensures long-term reliability in mission-critical environments. Its passive cooling and secure boot features further enhance operational stability.

Scientific and Engineering Workloads

Applications such as computational fluid dynamics, molecular modeling, and weather simulations benefit from the adapter’s high throughput and low latency. Its integration with MPI frameworks ensures efficient parallel processing.

Scalability

The MCX75310AAS-NEAT is designed to scale with future workloads, supporting next-generation networking fabrics and storage protocols. Its PCIe Gen5 interface ensures compatibility with upcoming server platforms.

Long-Term Investment

By combining high performance, broad compatibility, and advanced features, the adapter represents a long-term investment for enterprises and research institutions. Its ability to support both InfiniBand and Ethernet ensures flexibility for evolving infrastructure needs.