[Maximum extension,Most USB interfaces] Update your Computer to 7 ports USB3.0--2 Port Type C and 5 ports Type A, You can connect keyboard, mouse, external hard drives, CD/DVD drives, webcams,usb printers, scanners, game controllers,USB VR, digital cameras, etc. [Improve quality and efficiency] supports transfer rates of up to 5Gbps copying HD videos, music, photos,data files between USB devices and the computer at blazing fast speeds.Note:The actual transmission speed is limited by the setting of the device connected. [Widely compatibility] USB3.0 Backwards compatible with USB 2.0 and 1.1 devices; Comply with PCI-e 3.0 PCIe 2.0 and PCIe 1.0 motherboards, Fits PCI Express x1, x4, x8 or x16 socket .Operating System Supports Windows XP/Vista/2008 Server/7/8/10,and 0s (10.8.2 above) . Note: Windows XP,/Vista/7, Server,requires driver installation, Windows 10 and OS 10.8.2 above don' need drivers. [Easy to install]Shut down the PC, unplug the power supply,remove the PC case,push the card in pcie socket and tighten the screws,and Close the PC case cover, turn on the PC and install the driver. quick and easy installation, a simple solution for connecting to and using USB 3.0 devices on your standard desktop PC. Colour: black Material: PC + metal Package Contents: 1 x USB3.0 PCI-E expansion card 1 x CD drive 2 x mounting screws 1 x User Manual Only the above package content, other products are not included. Note: Light 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.