Stable Controller：This 10G network adapter equipped with original Intel X540 controller chip, support intelligent offloads to make the server more stable. Compare to Intel X540-T2. | Widely Compatible：This 10G NIC compatible with Windows 7/8/8.1/10/Vista, Windows Server 2003/ 2008/ 2012/2016/2019, Linux, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11, FreeBSD 10/11/12, Vmware ESX/Esxi 5/6/7, SLSE 11/12, and more. | Network Connection：This 100Mbps/1Gbps/10Gbps PCI Express network card have single RJ45 ports, up to 55m of CAT6/CAT7(CAT6A up to 100m)connection meeting the demands of data center environments, PCIe v2.1(2.5GT/s and 5.0 GT/s) x8 Lane compatible with PCIE X8, X16 Slot. | Easy to Install: This ethernet card comes with a driver CD to install OS and you can also download it from the Intel website. Packed with no only Full-height Bracket, but also additional low profile bracket which is easy to install the card in a small form factor/low profile computer case/server. | After Sales Service：XZSNET providing 24/7 customer service, 30-day free returns, and permanent technical support. We are committed to serving every customer well, If you have any product problems with the NIC you purchased from XZSNET, please contact us by email.