MCX623435AC-CDAB, NVIDIA Mellanox ConnectX-6 Dx EN Adapter Card, Single-port QSFP56/100GbE/PCIe 4.0 x16

The Mellanox MCX623435AC-CDAB is a high-performance ConnectX-6 Dx EN adapter card designed for modern data center and enterprise servers. This 100 GbE OCP 3.0 network adapter delivers reliable, low-latency connectivity for virtualization, storage, and high-throughput workloads across Asia, Europe, Africa, and North America. With a PCI Express 4.0 x16 host interface and a single-port QSFP56 design, the MCX623435AC-CDAB supports demanding applications that need consistent bandwidth and efficient packet processing. The adapter integrates crypto acceleration and Secure Boot support to help protect data in motion and reinforce platform trust, which is critical for cloud environments and multi-tenant networks. Its OCP 3.0 NIC form factor makes deployment simple for distributors and system integrators who build standardized server platforms, while host management support enables easy monitoring and lifecycle control in large-scale clusters. The thumbscrew (pull tab) bracket design allows quick installation and replacement in dense racks, reducing service time for on-site teams. Whether you are deploying new cloud infrastructure, upgrading enterprise network throughput, or optimizing high-performance workloads, the MCX623435AC-CDAB offers a balanced mix of performance, security, and manageability. For terminal users, this adapter helps improve application responsiveness and stability without adding complexity to daily operations, making it a practical choice for long-term IT expansion plans.