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NVIDIA MCX75310AAS-NEAT ConnectX-7 400Gb/s InfiniBand Adapter | PCIe 5.0 x16 OSFP
Product Details:
| Brand Name: | Mellanox |
| Model Number: | MCX75310AAS-NEAT(900-9X766-003N-SQ0) |
| Document: | Connectx-7 infiniband.pdf |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1pcs |
|---|---|
| Price: | Negotiate |
| Packaging Details: | outer box |
| Delivery Time: | Based on inventory |
| Payment Terms: | T/T |
| Supply Ability: | Supply by project/batch |
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Detail Information |
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| Model NO.: | MCX75310AAS-NEAT(900-9X766-003N-SQ0) | Ports: | Single-Port |
|---|---|---|---|
| Technology: | Infiniband | Interface Type: | Osfp56 |
| Specification: | 16.7cm X 6.9cm | Origin: | India / Israel / China |
| Transmission Rate: | 400gbe | Host Interface: | Gen3 X16 |
| Highlight: | Nvidia ConnectX-7 InfiniBand adapter,400Gb/s PCIe 5.0 network card,OSFP InfiniBand adapter with warranty |
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Product Description
NVIDIA MCX75310AAS-NEAT ConnectX-7 400Gb/s InfiniBand Adapter
MCX75310AAS-NEAT 400Gb/s InfiniBand Adapter
NDR400 · Single‑Port OSFP · PCIe 5.0 x16 · Ultra‑Low Latency for AI & HPC
NDR400 · Single‑Port OSFP · PCIe 5.0 x16 · Ultra‑Low Latency for AI & HPC
Model: MCX75310AAS-NEAT
400 Gb/s NDR400 InfiniBand
1 * OSFP single‑port connectivity
PCIe 5.0 x16 up to 32 lanes
RDMA & RoCE hardware‑offloaded
GPUDirect RDMA & Storage
Product Overview
The NVIDIA MCX75310AAS-NEAT is a flagship ConnectX-7 InfiniBand host channel adapter (HCA) delivering 400Gb/s NDR400 connectivity over a single OSFP port. Designed for the most demanding AI training, scientific computing, and hyperscale data center environments, this PCIe 5.0 x16 adapter combines extreme throughput, ultra-low latency, and advanced in-network computing engines. With support for RDMA, RoCE, GPUDirect RDMA and Storage, and comprehensive security offloads, the MCX75310AAS-NEAT is the ultimate choice for building high-performance, scalable, and lossless InfiniBand fabrics.
Key Features
- NDR400 InfiniBand: Single-port 400Gb/s OSFP interface with support for NDR200, HDR, EDR, and FDR speeds for backward compatibility.
- PCIe 5.0 x16 Host Interface: Up to 32 lanes with PCIe 5.0 support, delivering maximum bandwidth and low latency to the host system.
- RDMA & RoCE Acceleration: Hardware-offloaded RDMA and RoCE (RDMA over Converged Ethernet) for efficient data movement with zero CPU overhead.
- GPUDirect RDMA & Storage: Direct GPU-to-GPU communication and GPUDirect Storage for accelerated AI/ML and data analytics workflows.
- In-Network Computing: Support for SHARP (Scalable Hierarchical Aggregation and Reduction Protocol) and collective operations offloads.
- Advanced Security Offloads: Inline hardware encryption/decryption for IPsec, MACsec, and TLS with AES-GCM 128/256-bit keys.
- Virtualization & SDN: SR-IOV, VirtIO acceleration, overlay network support (VXLAN, GENEVE, NVGRE), and programmable flexible parser.
- Precision Timing: IEEE 1588v2 PTP with 12 ns accuracy, SyncE, and configurable PPS in/out for time-sensitive applications.
Technology
ConnectX-7 Architecture
The MCX75310AAS-NEAT is built on NVIDIA's ConnectX-7 ASIC, which integrates advanced SerDes technology supporting NRZ and PAM4 signaling. It delivers 400Gb/s InfiniBand bandwidth over a single OSFP port, with hardware offloads for RDMA, RoCE, NVMe-oF, and security protocols. The adapter's in-network computing engines enable SHARP collective acceleration and MPI tag matching, reducing message passing overhead and improving application scalability.
Software-Defined Networking (SDN)
NVIDIA ASAP (Accelerated Switch and Packet Processing) technology offloads SDN and VNF acceleration, providing line-rate performance without CPU penalty. The adapter supports overlay networks (VXLAN, GENEVE, NVGRE), connection tracking, and flow mirroring for advanced network telemetry.
Typical Deployments
- Large-Scale AI Training: Enable GPUDirect RDMA for multi-node training of large language models and deep neural networks.
- High-Performance Computing (HPC): Accelerate MPI and SHMEM/PGAS applications with RDMA and in-network compute offloads.
- Hyperscale Data Centers: Build scalable, lossless InfiniBand fabrics with extreme throughput and low latency.
- Enterprise Cloud & Storage: Deploy NVMe over Fabrics (NVMe-oF) and RDMA-based storage solutions.
- Telecom & Edge: Leverage precision timing (PTP, SyncE) for 5G and timing-sensitive infrastructure.
Compatibility
| Component / Ecosystem | Compatibility |
|---|---|
| InfiniBand Speeds | NDR 400Gb/s, NDR 200Gb/s, HDR 200Gb/s, EDR 100Gb/s, FDR 56Gb/s |
| Ethernet Speeds | 400GbE, 200GbE, 100GbE, 50GbE, 25GbE, 10GbE (with RoCE) |
| Host Interface | PCIe Gen5 x16 (up to 32 lanes), backward compatible with PCIe 4.0 |
| Operating Systems | Linux (RHEL, Ubuntu), Windows, VMware ESXi, Kubernetes |
| Software Stacks | MLNX_OFED, HPC-X, UFM, OpenMPI, MVAPICH, MPICH, NCCL, UCX, UCC |
| Security | IPsec, MACsec, TLS, secure boot, flash encryption, device attestation |
Specifications – MCX75310AAS-NEAT
| Category | Detail |
|---|---|
| Product Model | MCX75310AAS-NEAT |
| Product Family | NVIDIA ConnectX-7 |
| Port Configuration | 1 * OSFP (400Gb/s NDR400 InfiniBand) |
| Host Interface | PCIe 5.0 x16 (up to 32 lanes), backward compatible with PCIe 4.0 |
| Supported Protocols | InfiniBand (IBTA Spec 1.5), Ethernet (RoCE) |
| InfiniBand Speeds | NDR 400Gb/s, NDR 200Gb/s, HDR 200Gb/s, EDR 100Gb/s, FDR 56Gb/s |
| Ethernet Speeds | 400GbE, 200GbE, 100GbE, 50GbE, 25GbE, 10GbE |
| Form Factor | PCIe HHHL, FHHL, OCP 3.0 |
| Interface Technologies | NRZ (10G, 25G), PAM4 (50G, 100G) |
| In-Network Computing | SHARP, MPI Tag Matching, Collective Operations Offloads |
| Security Offloads | IPsec, MACsec, TLS (AES-GCM 128/256-bit), Secure Boot |
| Virtualization | SR-IOV, VirtIO, Overlay Networks (VXLAN, GENEVE, NVGRE) |
| Precision Timing | IEEE 1588v2 (12 ns accuracy), SyncE, PPS in/out |
| Storage Acceleration | NVMe-oF, NVMe/TCP, SRP, iSER, NFS over RDMA, SMB Direct |
| Management Interfaces | NC-SI, MCTP (SMBus, PCIe), PLDM, SPDM, SPI, JTAG |
| Remote Boot | InfiniBand remote boot, iSCSI, UEFI, PXE |
| Operating Conditions | Standard data center environment |
| Regulatory | RoHS, CE, FCC, VCCI (refer to NVIDIA compliance documentation) |
| Included Accessories | Tall bracket |
* Specifications are based on NVIDIA public documentation and may vary. Please confirm details with your sales representative.
Selection Guide
| SKU / Model | Description | Port Speed | Port Count | Interface |
|---|---|---|---|---|
| MCX75310AAS-NEAT | ConnectX-7 NDR400 InfiniBand Adapter | 400Gb/s | 1 * OSFP | PCIe 5.0 x16 |
| MCX75310AAS-HEAT | ConnectX-7 NDR200 InfiniBand Adapter | 200Gb/s | 1 * OSFP | PCIe 5.0 x16 |
| MCX75310AAS-HEA | ConnectX-7 NDR200 InfiniBand Adapter (dual-port) | 200Gb/s | 2 * OSFP | PCIe 5.0 x16 |
| MCX75310AAS-NEA | ConnectX-7 NDR400 InfiniBand Adapter (dual-port) | 400Gb/s | 2 * OSFP | PCIe 5.0 x16 |
Advantages
- Ultra-High Throughput: 400Gb/s InfiniBand and PCIe 5.0 x16 deliver extreme bandwidth for data-intensive AI and HPC workloads.
- Ultra-Low Latency: Hardware-offloaded RDMA and in-network compute minimize communication overhead.
- Investment Protection: Supports multiple InfiniBand and Ethernet speeds for mixed-speed environments.
- Enhanced Security: Inline IPsec, MACsec, and TLS offloads secure data in transit without CPU impact.
- Comprehensive Ecosystem: Fully compatible with NVIDIA UFM, HPC-X, MLNX_OFED, and major Linux distributions.
Service & Support
Hong Kong Starsurge Group Co., Limited provides full lifecycle support for NVIDIA ConnectX-7 adapters:
- Pre-sales consulting: Adapter selection, server compatibility, and fabric design.
- Logistics & delivery: Global shipping with tracking and customs clearance.
- Technical support: Driver installation, firmware updates, and performance tuning.
- Training: Hands-on workshops for RDMA, RoCE, and UFM administration.
- Warranty: Standard 1-year hardware warranty (extended options available).
Frequently Asked Questions
What is NDR400?
NDR400 is an InfiniBand data rate that delivers 400Gb/s per port. It is the highest speed available in the NVIDIA Quantum-2 and Quantum-3 generations, providing maximum bandwidth for spine and high-end leaf deployments.
Is the MCX75310AAS-NEAT compatible with PCIe 4.0 servers?
Yes. The adapter is PCIe 5.0 x16 and is backward compatible with PCIe 4.0 slots, although bandwidth may be limited to PCIe 4.0 speeds.
Can this adapter be used with Ethernet switches?
The adapter supports both InfiniBand and Ethernet protocols. When operating in Ethernet mode, it supports RoCE (RDMA over Converged Ethernet) up to 400GbE.
What is the difference between MCX75310AAS-NEAT and MCX75310AAS-HEAT?
The NEAT variant supports NDR400 (400Gb/s) while the HEAT variant supports NDR200 (200Gb/s). Both use OSFP connectors and PCIe 5.0 x16 interfaces.
Does the adapter support GPUDirect?
Yes, it supports GPUDirect RDMA for direct GPU-to-GPU communication and GPUDirect Storage for accelerated data access from storage devices.
Precautions & Safety
- ESD Protection: Use ESD grounding straps when handling the adapter to prevent electrostatic discharge damage.
- Installation: Ensure the server is powered off and disconnected from AC power before installing the adapter.
- Airflow: Ensure adequate airflow around the adapter to prevent overheating. Use the included tall bracket if required.
- Firmware Updates: Follow NVIDIA's recommended procedures for firmware updates to avoid system instability.
- Compatibility: Verify server compatibility and PCIe slot availability before ordering.
Hong Kong Starsurge Group Co., Limited
Founded in 2008, Starsurge is a technology-driven provider of network hardware, IT services, and system integration solutions. We serve government, healthcare, manufacturing, education, finance, and enterprise clients worldwide. With an experienced sales and technical team, we deliver tailored networking solutions — from adapters and switches to IoT and custom software — backed by multilingual support and global delivery. Customer-first, quality-driven, and innovation-focused.
Compatibility Matrix
| NVIDIA Product | Compatible with MCX75310AAS-NEAT | Notes |
|---|---|---|
| NVIDIA Quantum-3 Switches (Q3400-RA, Q3200-RA) | ✓ | Native XDR and NDR support |
| NVIDIA Quantum-2 Switches | ✓ | NDR and HDR support |
| NVIDIA DGX / HGX Platforms | ✓ | GPUDirect RDMA and Storage |
| NVIDIA UFM 3.5 | ✓ | Full fabric management and telemetry |
| HPE Servers | ✓ | HPE part number P45642-B22 |
| Third-party Servers | ✓ | Standard PCIe slot required |
Buyer Checklist
- PCIe Slot: Ensure an available PCIe 5.0 x16 slot (or PCIe 4.0 x16 for backward compatibility).
- Cable/Transceiver: OSFP-to-OSFP or OSFP-to-other connector cables for the target switch/NIC.
- Operating System: Verify support for the target OS (Linux, Windows, VMware).
- Driver: Download and install the latest MLNX_OFED or Windows driver from NVIDIA.
- Fabric Management: Plan Subnet Manager (SM) deployment (centralized or distributed).
- Cooling: Ensure adequate server airflow to dissipate heat from the adapter.
Related Products
- NVIDIA Q3400-RA 800G InfiniBand Switch
- NVIDIA Q3200-RA 800G InfiniBand Switch
- OSFP 800G / 400G Transceivers & Cables
- NVIDIA UFM 3.5 Management Appliance
- ConnectX-7 NDR200 Adapters (MCX75310AAS-HEAT)
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