Features: brand new and high quality As per pci for express version 2.0 standard. Meets meets the universal serial bus 3.0 standard. Rate the transmission rate of USB 3.0 interface could reach 5gbps, down for USB 2.0 / 1.1. 7a usb device to be connected simultaneously 7tlg. USB interface interface could provide 5v2a power supply for external device. 15-pin interface interface for optional power supply. Supports supports for windows xp/7/8/8.1/10 and 32 bit or 64 bit whql certified driver. Specifications: Material: metal Colour: black Product name: PCI-E to 7-port USB expansion card Number of interfaces: 7-port USB3.0 interface Slot used: PCI-E X1 X4 X8 X16 Bus bandwidth: 12Gb/s Size: approx. 12x7.1cm/4.72x2.80in Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x PCI-E Expansion Card