NVIDIA Mellanox ConnectX-6 MCX623432AS-ADAB OCP3.0
ConnectX-6 Dx EN 2-port 25GbE OCP 3.0 Adapter with Secure Boot
Product Family
ConnectX-6 Dx EN (MCX623432AS-ADAB OCP3.0)
Form Factor
OCP 3.0 Small Form Factor (SFF)
Host Interface
PCIe 4.0 x16
Port Count
2-port
Port Speed & Connector Type
25GbE over SFP28
Product Description
The NVIDIA Mellanox ConnectX-6 Dx EN MCX623432AS-ADAB is a dual-port 25GbE OCP 3.0 SmartNIC sharing the same MT28928A0-XCCF-CE ConnectX-6 Dx controller, PCIe 4.0 x16 host interface, and dual SFP28 connectivity as the wider MCX623432 family, positioned as an alternate firmware/ordering variant within the ConnectX-6 Dx EN OCP 3.0 line. It delivers line-rate 25 Gigabit Ethernet with RoCE v2 RDMA offload, giving hosts kernel-bypass, low-latency data movement for storage and clustered application traffic. Being an OCP 3.0 SFF adapter, it installs without tools into OCP-compliant server bays, simplifying fleet-wide serviceability in hyperscale and enterprise racks. Hardware-based Secure Boot authenticates the firmware image at every boot cycle, closing off a common vector for firmware-level tampering in shared or regulated infrastructure. Combined with ConnectX-6 Dx's ASAP² virtual switching offload and NVMe-oF storage acceleration, the MCX623432AS-ADAB is targeted at data center operators who need dependable 25GbE connectivity with verified firmware integrity on every boot.