Dual 25GbE SFP28 Fiber Ports Intelligent RDMA Ethernet Adapter for Virtualization and Storage Servers, Mellanox ConnectX-4 Lx EN MT27711A0 Ethernet Controller, 2X 25GbE PCIE 3.0 X8 NIC Card (CX4121A)

CX4121A is a Dual 25GbE SFP28 Fiber Ports PCIE Gen 3.0 standard X8 interface intelligent ethernet adapter for seamless networking, clustering and storage. PCI Express Gen 3.0 standard, PCIE X8 bus interface, provide 64Gb/s total bandwidth make sure 2X SFP28 Fiber Ports archive 25GbE simultaneously. Based on high performance Mellanox ConnectX-4 Lx EN MT27711A0 Intelligent Converged Ethernet Controller, provides a cost-effective and flexible ethernet adapter solution for Web 2.0, cloud, data analytics, database, and storage platforms. Supports I/O virtualization with SR-IOV technology, provides dedicated adapter resources and guaranteed isolation and protection for virtual machines gives data center administrators better server utilization.

Supports Overlay Networks by providing advanced NVGRE, VXLAN and GENEVE hardware offloading engines, ensure data center operators can achieve native performance in the new network architecture. Supports RDMA over Converged Ethernet (RoCE) provides efficient low-latency and high performance RDMA services over Layer 2 and Layer 3 networks. Will improve Storage applications.
Ethernet

Specifications

: Supports IEEE 802.3 by, 25 Gb/s; IEEE 802.3 ae 10Gb/s; IEEE 802.3 az Energy Efficient Ethernet; IEEE 802.3 ap; IEEE 802.3 ad; 802.1AX; IEEE 802.1Q. 802.1P VLAN tags and priority; IEEE 802.1Q az; IEEE 802.1Q bb; IEEE 802.1Q bg; IEEE 1588V2; Support Jumbo frame ( 9.6KB ).
Compatible System: Support plug and play on Windows 11, 10 64bit and Windows Server 2012, 2012R2, 2016, 2019, 2022, 2025 64bit. Compatible with RHEL, CentOS, FreeBSD, VMware and other Linux kernel systems.