10/25GbE PCIE x8/x16 Ethernet Adapter Dual SFP28 Port with Mellanox ConnectX4 Lx MCX4121A-ACAT Chipset, 25gigabit Network Server Card Support Windows/Linux/VMare/OFED

Built in Mellanox ConnectX-4 chipset, the 25G NIC supports RDMA allowing real CPU offloads and kernel bypass and End-to-end QoS and congestion control to anticipate and eliminate congestion, reducing CPU resource consumption and drive extremely high packet rates and throughput. ^^ PCIe 3.0 x 8 Host Interface and 25Gbps Dual-Port Transmission. Auto Negotiation to 25gbps/10gbps/1gbps; Compatible with x8/x16 PCI Express slot. ^^ Dual SFP28 Port.
Cabling Type: SFP28 Transceiver, DAC and AOC.
Ethernet: 25GBASE-R, 20GBASE-KR2, 1000BASE-CX, 1000BASE-KX, 10GBASE-SR, 10GBASE-LR, 10GBASE-ER, 10GBASE-CX4, 10GBASE-CR, 10GBASE-KR, SGMII.
^^ Suported OS: Windows 8.1 /10/11; Windows Server 2012R2/2016/2019/2022; FreeBSD 13; VMware ESXI 6.5 / 6.7 / 7.0; OpenFabrics Enterprise Distribution (OFED); OpenFabrics Windows Distribution (WinOF-2); Ubuntu 14.04 / 16.04 / 18.04 / 20.04 / 21.04; Debian 9.11 / 9.13 / 10.5 / 10.8; RHEL/CentOS 7.2 - 8.4 ect.
Noted: DO NOT Support Win7. DO NOT Support UEFI. ^^ Low and full height bracket (assembled) are included for wide and different applications such as pc gaming, desktops, workstations, enterprise data centers and high-performance computing environments and mini-tower servers.
^^ Kindly Remind: If you experience link issue or system compatibility issue during use, please scan the code on the label at the back of this NIC to perform a firmware update. If the NICs do not work @ 25GBE, please make sure other connected devices be done with data rate 25GBE such as network transceivers or switch or router ect.