H!Fiber.com 10Gb Ethernet Network Card for X550-T1- ELX550AT Chip, 10Gb PCI Express X4 LAN Network Adapter with Single Copper RJ45 Port, 10Gb NIC for Windows Server, Windows 7/8/10, Linux, VMware ESX by Amazon.co.uk

• Built with original Intel ELX550AT, the 10Gb Ethernet Controller chip can make the servers more stable.

• PCI-E v3.0 (8.0GT/s) (Compatible with 2.0 and 1.1), X4/X8/X16 Lane, Coming with BOTH Low Profile Bracket and Full-height Bracket.

• Interface: Single copper RJ/45 Port 10GBASE-T (1 GbE/10 GbE/100MbE). Compatible with Intel X550-T1, it can support Category-6 up to 55 m, Category-6A up to 100 m.

• Network Operating Systems (NOS) Software Support: Windows Server* 2012 R2; Windows Server 2012 R2 Core; Windows Server 2012; Windows Server 2012 Core; Windows Server 2008 R2; Windows Server 2008 R2 Core; Linux* Stable Kernel version 2.6.32/3x; Linux* RHEL 6.5 and RHEL 7.0; Linux* SLES 11 SP3 and SLES 12; FreeBSD* 9 and FreeBSD* 10; UEFI* 2.1; UEFI* 2.3; VMware ESXi 5.1 (Limited Functionality); VMware ESXi 5.5

• Included 1x 10Gb X550-T1 PCI-E X4 Network, 1x Card Driver CD , 1x Low-profile Bracket. 30-day free-returned, 3-Year Warranty, Lifetime Technical Support.