The PCIE expansion card can be upgraded from the pcie slot inside the main unit to 8 USB 3.2 ports,providing a multi-device connectivity solution for your computer system. USB expansion card upgrades your desktop computer to 8USB 3.2ports (2x USB C,5x USB A) via a PCI x1 slot.Solve the problem of fewer USB ports inside the computer , allowing more USB data devices to be connected to your computer system. [SuperSpeed USB 3.2]supporting data fer rates of up to 5Gbps, overall fer speed is half that of older versions of USB 2.0,providing greater efficiency for your file fers.(Note: Actual fer speeds may be limited by the connected device.) [Easy to Use-Safe]Each port supports a maximum power of 5W (5V/1A), the pcie usb 3.0 card can be powered from the PCI-E slot, no external power supply is required,and the installation is easy. In addition, each interface has insurance, with over-current and short-circuit intelligent protection to your computer equipment. [Wide Compatibility ]Compatible with Windows 7/8/10/ and OS 10.8.2 , suitable for PCI x1 to x16 slot, can support PCIe 3.0, PCIe 2.0 computer motherboard,usb 3.0 card port is backward compatible with USB 3.0 and USB 2.0 peripherals. (Windows Vista/XP/7 require drivers to be installed from the CD.) The card 6 USB Type-A and 2X USB Type-C ports. No need for additional power supply, built-in -powered technology. Support UASP,speed 70% than USB 3.0. Compatible with pcie x1 to x16 slot. The high-performance chipset Fresco 1100 provides a stable and USB 3.0 connection with the computer. The USB expansion card conforms to the USB 3.0 specification and is compatible with the USB 2.0 and 1.1 specifications.The data fer rate of USB 3.0 at 5Gbps is 5X that of USB 2.0. System 1.Windows XP/7/Vista/Server.(CD drivers need to be installed) 2.Windows 8 / 8.1 / 10/ OS 10.8.2 .( No driver installation is required.) Note: 1. Not compatible with old PCI. 2. Not equipped with Low-profile bracket.Not suitable for small computer and server chassis,only for standard or larger chassis.The usb 3.0 card installed on the board is only suitable for PC controller reserved ports with width more than 4.72 inches & height more than 0.51 inches. 3. DP, , VGA display conversion function is not supported.( Displays) Colour: black Material: plastic + metal Package Contents: 1 * PCIE Adapter Card Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.