HPE MCX6314 10/25GbE 4-Port OCP3

Data centers running HPE ProLiant Gen10 Plus servers often need a reliable, high-speed network upgrade without sacrificing PCIe slots. The HPE MCX6314 10/25GbE 4-Port OCP3 adapter slots directly into the OCP 3.0 bay, delivering four SFP28 ports for flexible 10/25GbE connectivity. Built on the NVIDIA Mellanox ConnectX-6 Lx controller, it offloads demanding workloads with RoCE v2, NVMe-oF, and advanced tunneling protocols, making it a strong fit for virtualization, software-defined storage, and latency-sensitive applications.

Key specifications

• Form Factor: OCP 3.0 SFF (Small Form Factor)
• Interface: PCI Express 4.0 x8
• Ports: 4 x SFP28 (10/25GbE)
• Controller: NVIDIA Mellanox ConnectX-6 Lx
• Data Link Protocol: 10Gb Ethernet, 25Gb Ethernet
• Network Standards: IEEE 802.3ae, IEEE 802.3by, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad
• Offloads: RoCE v2, NVMe-oF, SR-IOV, VXLAN, NVGRE, Geneve
• Management: NC-SI
• Typical Power: 12 W
• Security: Hardware Root of Trust, Secure Boot

Why choose it

This adapter frees up standard PCIe slots while adding four high-speed ports. Hardware offloads for RDMA and storage protocols reduce CPU overhead, improving performance in virtualized and storage-heavy environments. The OCP 3.0 form factor simplifies installation and maintenance in compatible HPE servers.

Ideal use cases

• Virtualized server farms using VMware ESXi or Linux KVM
• Software-defined storage clusters requiring NVMe-oF
• High-throughput data analytics and AI/ML workloads
• Network-intensive applications needing 25GbE bandwidth

Good to know

Compatible with HPE ProLiant Gen10 Plus servers and HPE Synergy Gen10 Plus compute modules. Supported operating systems include Windows Server, RHEL, SLES, Ubuntu, and VMware ESXi. The adapter includes advanced Ethernet offloads for VXLAN, NVGRE, and Geneve, making it ready for modern overlay networks.