PCIe x2 USB3.1 TYPE E 10Gbps expansion card is the next generation Universal Serial Bus xHCI host controller, bridging PCI Express to USB3.1 Gen II, compliant with USB3.1 specification revision 1.0 and Intel eXtensible Host Controller Interface specification revision 1.1. It also supports the new feature of USB3.1 named Multiple Ins to take advantage of the available bandwidth of USB3.1 GenII bus to achieve full utilization of 10Gbps data rate. PCIe x2 ASM3142 USB3.1 TYPE E applications include motherboards, desktops, notebooks, workstations, servers, add-in cards, PCI Express based embedded platforms. Supports Windows 7 proprietary drivers as well as built-in drivers for Windows 8.0, Windows 8.1, Windows 10 and various Linux kernels. Made of high quality materials. Main chipset:Asmedia or ASM3142 Bus type:PCI Express 3.0 x2 Transmission interface:1 x USB3.1-E port Transmission rate:USB 3.1 Gen-II 10Gbps Colour:As Shown Material:PCB Package Contents: 1 x Expansion Card 1 x Low Profile Stand 1 x CD Driver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.