PCI-Express host interface specification v 3.0 x8 and Complete with PCIe 2.0 and 1.1
OS Supports: Microsoft Windows XP, Vista, Win7, Server2003, Server 2008, Server 2008R2, Win8. x, Win10, and HPC Server 2008, 32 and 64-bit, Microsoft Windows Server Hyper-V, Red HatEnterpriseLinux 5.7 and 6.1, SLES 10 and 11, VMware 4.1 u2 and 5.0 u1, Solaris 10 Dual SFP+ ports let you connect to 10 Gigabit SFP+ module/DAC/AOC for meeting the demands of data center environments. PCI-E X8 Lane is suitable for both PCI-E X8 and PCI-E X16 slots Driver CD is included natively. With profile bracket and additional low profile bracket that makes it easy to install the card in a small form factor/low profile computer case/server 180 day worry-free warranty and friendly customer service. If you have any questions, we will help you solve the problem when you need it, and if it can\u2019t be solved, we will provide a refund and no return is required