NVIDIA Mellanox ConnectX-6 MCX623436AN-CDAB OCP3.0
ConnectX-6 Dx EN 2-Port 100GbE OCP3.0 Adapter
Host Interface
PCIe 4.0 x16
Port Count
2-port
Port Speed & Connector Type
100GbE, QSFP56
RDMA / Network Protocol
RoCE v2 (RDMA over Converged Ethernet)
Form Factor
OCP 3.0 Small Form Factor (SFF), screw-mount bracket
Product Description
The NVIDIA Mellanox ConnectX-6 MCX623436AN-CDAB is a 2-port 100GbE OCP3.0 network adapter built on the ConnectX-6 Dx EN controller (MT28928A0-XCCF-CE). It delivers up to 100Gb/s per port over dual QSFP56 connectors across a PCIe 4.0 x16 host interface, with RDMA over Converged Ethernet (RoCE v2) for low-latency, CPU-efficient networking. As a dual-port, high-bandwidth OCP3.0 adapter without additional security or multi-host extensions, it is a straightforward, high-throughput choice for organizations that need maximum aggregate bandwidth — up to 200Gb/s across both ports — for east-west data-center traffic, storage networking, or GPU-accelerated compute clusters. The screw-mount OCP 3.0 bracket suits standard hyperscale and enterprise server chassis designed around the OCP 3.0 mezzanine card specification.