1. CX4121A is a dual 25GbE SFP28 fiber port intelligent RDMA Ethernet adapter with a PCIE Gen 3.0 x8 interface. Based on the Mellanox ConnectX-4 Lx EN MT27711A0 converged Ethernet controller, it provides a cost-effective and flexible Ethernet solution for Web 2.0, cloud, data analytics, database, and storage platforms.; 2.
Ethernet Controller: Mellanox ConnectX-4 Lx EN MT27711A0Bus Interface: PCIE 3.0 x8;
Ethernet Speed: 2x 25GbE;
Connector Type: 2x SFP28 Fiber Ports;
Remote Boot: RoCE, PXE, iSCSI; Supports RDMA over RoCE; Support I/O Virtualization and SR-IOV; Support Overlay Networks by providing advanced NVGRE, VXLAN and GENEVE.; 3. 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 ).; 4. PCIE Gen 3.0 Standard, 8Gb/s Per Lane. PCIE x8 Interface, 64Gb/s Bandwidth Totally, Ensure 2x SFP28 Fiber Ports archive 25GbE simultaneously. Auto-negotiates to PCIE X8, X4 Lane. Auto-switch to PCIE Gen 3.0, Gen 2.0. Support MSI/MSI-X mechanisms.; 5. 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-based systems.; 6. Support Open Fabrics Enterprise Distribution (OFED) and Open Fabrics Windows Distribution (WinOF-2).
Will compatible with SFP28 transceivers,