Bus type: PCI-E X4 (compatible with PCI-E X4 / X8 / X16)Interface: 1 port Type-C USB3.1 + 1 port USB3.0 (with 15Pin SATA power supply)Speed: 10GbpsFunction: Expand USB 3.1 and USB 3.0 interfaces, connect USB peripherals quickly Support system: Windows XP / WIN7 / WIN8 / WIN8.1 / WIN10 / Linux OS.Product name: USB3.1type-c+type-A expansion cardProduct master: ASMedia ASM3142Product interface: TYPE-C+ TYPE-ASupport system: wIN7I8wn1032/64BIT/AC/inuxColour:BlackMaterial:Plastic + MetalPackage Contents:1 * PCI-E expansion adapter1 * Low Profile BracketOnly the above package content, other products are not included.Note: Light shooting 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.