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NVIDIA Mellanox ConnectX‑7 MCX755106AC‑HEAT

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High-performance dual-port 200Gb/s InfiniBand & Ethernet adapter card from NVIDIA Mellanox, designed for AI, HPC, and data center workloads. Based on ConnectX-7 architecture with PCIe 5.0 support and advanced RDMA & GPUDirect technologies.

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SKU: MCX755106AC‑HEAT

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Description

The Mellanox MCX755106AC-HEAT is a powerful dual-port network interface card (NIC) from NVIDIA’s ConnectX-7 series, delivering blazing-fast 200Gb/s per port for InfiniBand (NDR200) or Ethernet connectivity via QSFP112 interfaces. Built for high-throughput environments such as AI workloads, high-performance computing (HPC), and enterprise data centers, it features PCIe Gen5 x16 connectivity to ensure minimal latency and maximum bandwidth.

This NIC supports RDMA, RoCE, GPUDirect RDMA, GPUDirect Storage, and is crypto-enabled with secure boot features for trusted environments. Its energy-efficient and thermally optimized design enables stable operation under intense workloads with intelligent power management.

The MCX755106AC-HEAT is ideal for next-gen infrastructure requiring robust, secure, and ultra-low latency communication.

Specifications

Model / SKU NVIDIA ConnectX‑7 MCX755106AC‑HEAT
Interface PCIe 5.0 ×16 (Gen4/3 compatible)
Ports 2 × QSFP112 (Ethernet or InfiniBand NDR200)
Data Rates Ethernet: 200/100/50/25/10 Gb/s
InfiniBand: NDR200/HDR/HDR100/EDR/FDR/SDR
Key Capabilities RDMA, RoCE, IBTA v1.5, GPUDirect RDMA & Storage, XRC, DCT
Security Secure Boot and Crypto Enabled
Dimensions PCIe Half-Height, Half-Length: 68.9 × 167.7 mm
Form Factor Tall bracket (adjustable)
Typical Power ≈ 25.9 W
Operating Temp 0 °C to 55 °C
Storage Temp –40 °C to +70 °C
Compliance CE / FCC / VCCI / ICES / RCM / KC, RoHS