Equipped with original Intel 82599EN controller which supports I/O virtualization and make the servers more stable. ❤❤3-YEAR WARRANTY❤❤ | PCI Express* 2.0. 5.0 G T/s X8 Lane. Suitable for both PCI-E X8 and PCI-E X16 slots | Single SFP+ ports. SFP+ Direct Attach Cable/SFP+ Module/SFP+ AOC | Low profile and standard profile bracket inside works with both standard and mini size computer case/server | Support OS:Windows 7/8/10/Visa, Windows Server 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 6/7, SLSE 11/12,etc. | ✅NOTE: SFP adapter is not included in the package✅