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Hong Kong Starsurge Group Co., Limited

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  3. ConnectX‑7 MCX75310AAS‑HEAT 400G NDR Smart NIC – Inline Encryption & PCIe Gen5
China ConnectX‑7 MCX75310AAS‑HEAT 400G NDR Smart NIC – Inline Encryption & PCIe Gen5
China ConnectX‑7 MCX75310AAS‑HEAT 400G NDR Smart NIC – Inline Encryption & PCIe Gen5

  1. China ConnectX‑7 MCX75310AAS‑HEAT 400G NDR Smart NIC – Inline Encryption & PCIe Gen5
  2. China ConnectX‑7 MCX75310AAS‑HEAT 400G NDR Smart NIC – Inline Encryption & PCIe Gen5
  3. China ConnectX‑7 MCX75310AAS‑HEAT 400G NDR Smart NIC – Inline Encryption & PCIe Gen5
  4. China ConnectX‑7 MCX75310AAS‑HEAT 400G NDR Smart NIC – Inline Encryption & PCIe Gen5
  5. China ConnectX‑7 MCX75310AAS‑HEAT 400G NDR Smart NIC – Inline Encryption & PCIe Gen5
  6. China ConnectX‑7 MCX75310AAS‑HEAT 400G NDR Smart NIC – Inline Encryption & PCIe Gen5

ConnectX‑7 MCX75310AAS‑HEAT 400G NDR Smart NIC – Inline Encryption & PCIe Gen5

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Payment Terms T/T
Supply Ability Supply by project/batch
Delivery Time Based on inventory
Packaging Details outer box
Model NO. MCX75310AAS-HEAT(900-9X766-003N-ST0)
Ports Single-Port
Technology Infiniband
Interface Type Osfp56
Specification 16.7cm x 6.9cm
Origin India / Israel / China
Transmission Rate 200gbe
Host Interface Gen3 X16
Brand Name Mellanox
Model Number MCX75310AAS-HEAT(900-9X766-003N-ST0)

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability Supply by project/batch
Delivery Time Based on inventory Packaging Details outer box
Model NO. MCX75310AAS-HEAT(900-9X766-003N-ST0) Ports Single-Port
Technology Infiniband Interface Type Osfp56
Specification 16.7cm x 6.9cm Origin India / Israel / China
Transmission Rate 200gbe Host Interface Gen3 X16
Brand Name Mellanox Model Number MCX75310AAS-HEAT(900-9X766-003N-ST0)
High Light Mellanox ConnectX-7 400G Smart NIC ，ConnectX-7 PCIe Gen5 network card ，400G Smart NIC with encryption
NVIDIA ConnectX-7 MCX75310AAS-HEAT 400G NDR Smart NIC
NVIDIA Mellanox ConnectX-7 MCX75310AAS-HEAT 400Gb/s NDR InfiniBand Smart Network Adapter with inline encryption and PCIe Gen5 support.
Product Overview
The NVIDIA ConnectX-7 MCX75310AAS-HEAT is a high-performance 400Gb/s NDR InfiniBand smart network adapter engineered for AI factories, scientific computing, and hyperscale cloud environments. This single-port adapter delivers exceptional throughput, sub-microsecond latency, and hardware-accelerated inline security with comprehensive offload capabilities.
Key Features & Performance
  • NDR InfiniBand 400Gb/s (compatible with HDR 200G/EDR 100G)
  • PCI Express Gen5.0 x16 host interface
  • Ultra-low latency with hardware-based reliable transport
  • GPUDirect RDMA & GPUDirect Storage for GPU-accelerated workloads
  • In-Network Computing with SHARPv3 collective offloads
Security & Offload Engines
  • Inline IPsec, TLS, MACsec encryption/decryption (AES-GCM 128/256-bit)
  • Secure boot with hardware root-of-trust & flash encryption
  • ASAP2 (Accelerated Switch and Packet Processing) for SDN
  • Connection tracking, flow mirroring, and header rewrite
  • Zero-Touch RoCE and overlay network acceleration (VXLAN, GENEVE)
Advanced Technology Accelerators
The ConnectX-7 MCX75310AAS-HEAT incorporates NVIDIA's latest in-network computing engines to offload critical data path tasks from the CPU:
  • RDMA & RoCE: Zero-copy data movement, NVMe-oF offloads including NVMe/TCP
  • Timing & Synchronization: IEEE 1588v2 PTP with 12ns accuracy, SyncE, time-triggered scheduling
  • Virtualization & Multi-Host: SR-IOV, VirtIO acceleration, support for up to 4 independent hosts
  • Data Integrity: T10-DIF signature handover, block-level XTS-AES 256/512 encryption
Technical Specifications
Parameter Specification
Product Model MCX75310AAS-HEAT
Form Factor HHHL (Half Height Half Length)
Ports Single-port NDR InfiniBand (400Gb/s)
Host Interface PCIe Gen5.0 x16
InfiniBand Standards IBTA Spec 1.5 compliant, RDMA, XRC, DCT, adaptive routing
Encryption Engines Inline IPsec, TLS, MACsec (AES-GCM 128/256-bit)
Storage Offloads NVMe-oF (NVMe/TCP, NVMe/RDMA), SRP, iSER, T10-DIF
Advanced Timing IEEE 1588v2 Class C, 12ns accuracy, SyncE, PTP
Typical Applications
  • AI & Deep Learning Clusters: Large-scale GPU clusters requiring GPUDirect RDMA and SHARP offloads
  • HPC & Scientific Computing: Weather modeling, molecular dynamics, genome research
  • Hyperscale Cloud & SDDC: Overlay networking and ASAP2 flow processing
  • NVMe-oF Storage Arrays: High-performance disaggregated storage leveraging RDMA
Compatibility & Ecosystem
Operating Systems: In-box drivers for Linux (RHEL, Ubuntu, Debian), Windows Server, VMware ESXi, and Kubernetes/Container environments.
Protocol Compatibility
Protocol / Interface Supported Speeds / Standard
InfiniBand NDR (400Gb/s), HDR (200Gb/s), EDR (100Gb/s)
Ethernet (when configured) 400GbE, 200GbE, 100GbE, 50GbE, 25GbE, 10GbE
PCIe Host Interface PCIe Gen5.0 x16 (backward compatible to Gen4/Gen3)
Security Offloads IPsec RoCE, TLS 1.3, MACsec 256-bit
Frequently Asked Questions
What is the main difference between MCX75310AAS-HEAT and other ConnectX-7 adapters?
This model is a single-port NDR InfiniBand HHHL adapter equipped with full inline security engines and PCIe Gen5 x16 interface, primarily targeting HPC and AI clusters requiring 400G per port.
Does it support Ethernet mode?
Yes, ConnectX-7 supports dual protocol (InfiniBand / Ethernet), but MCX75310AAS-HEAT is typically InfiniBand-focused. For Ethernet-only or dual-protocol needs, please consult the VPI ordering guide.
Is this adapter compatible with PCIe Gen4 servers?
Yes, PCIe Gen5 is backward compatible with Gen4 slots, but will operate at Gen4 speeds (max 200Gb/s per port effective bandwidth limited by host).
Pre-Sales Checklist
  • Verify server PCIe slot type: HHHL & x16 Gen5/Gen4 compatible
  • Confirm InfiniBand fabric speed (400G switch ports required for full NDR)
  • Check OS driver availability (in-box or download from NVIDIA)
  • Review cooling and power requirements with your chassis specification
  • Request quotation with origin warranty terms from Starsurge
Service & Support
Hong Kong Starsurge Group Co., Limited provides global logistics, technical consulting, and warranty support. Each adapter undergoes pre-ship validation with services including 1-year standard warranty, firmware alignment assistance, RMA support via regional hubs, and access to technical documentation.
Company Introduction
Hong Kong Starsurge Group - Network Hardware Provider
Hong Kong Starsurge Group Co., Limited is a technology-driven provider of network hardware, IT services, and system integration solutions. Founded in 2008, the company serves global customers with comprehensive networking equipment and supports industries including government, healthcare, manufacturing, education, finance, and enterprise.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Distributor/Wholesaler,Agent,Exporter,Trading Company,Seller,Other

  • Year Established:

    2008

  • Employee Number:

    50~200

  • Ecer Certification：

    Verified Supplier

Hong Kong Starsurge Group Co. Leading IT Solutions Provider & System Integrator Since Establishment Hong Kong Starsurge Group Co. is a technology-driven enterprise specializing in IT network system integration, IoT solutions, and custom software development. With extensive industry expertise ac... Hong Kong Starsurge Group Co. Leading IT Solutions Provider & System Integrator Since Establishment Hong Kong Starsurge Group Co. is a technology-driven enterprise specializing in IT network system integration, IoT solutions, and custom software development. With extensive industry expertise ac...

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  • Reach Us
  • Hong Kong Starsurge Group Co., Limited
  • FLAT 2304, 23/F HO KING, COMMERCIAL CENTRE, 2-16 FAYUEN STREET, MONG KOK KOWLOON HONG KONG
  • https://www.mellanoxnetwork.com/

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