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MCX314A-BCCT

NVIDIA Mellanox ConnectX-3 Pro EN MCX314A-BCCT

PCIe 3.0 x8 Dual-Port 40G/56G QSFP28 Ethernet Adapter

P/N: MCX314A-BCCT

Host Interface

PCIe 3.0 x8

Number of Ports

2

Port Type

QSFP28

Network Speed

40GbE (up to 56GbE with a Mellanox switch)

RDMA Support

RoCE v1

Regulatory Certifications

Product Description

The NVIDIA Mellanox ConnectX-3 Pro EN MCX314A-BCCT is a dual-port 40G/56G QSFP28 Ethernet adapter connecting to the host over a PCIe 3.0 x8 interface with RoCE v1 hardware offload. When paired with an NVIDIA/Mellanox switch, it can achieve 56GbE throughput. Built around the MT27528A0-FCCR-FV controller, it provides dual-port redundancy and bandwidth scaling for high-performance computing and data center applications.

Key Features

  • Dual QSFP28 ports

  • Supports 40GbE, up to 56GbE when paired with a Mellanox switch

  • PCIe 3.0 x8 host interface

  • RDMA over Converged Ethernet (RoCE v1) support

  • Built on the MT27528A0-FCCR-FV controller

  • Hardware offload for TCP/IP transport

  • Dual-port failover and load balancing support

  • Suited for high-performance computing (HPC) clusters

  • Suited for data center and cloud compute node deployment

  • Compatible with standard PCIe server slots