[UPGRADE YOUR COMPUTER]: Expansion your Computer to 4 ports USB3.0--1 Port Type C and 3 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.(Monitor conversion is not supported) [IMPROVE WORK EFFICIENCY]: SuperSpeed USB3.0 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. [BEST 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 x1, x4, x8 or x16 socket . Supports /2008 Server/7/8/10,and 0s (10.8.2 above) . Note: Windows XP,/Vista/7, Server,requires driver installation, and OS 10.8.2 above 't 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 , turn on the PC and install the driver. quick and easy installation, a for connecting to and using USB 3.0 devices on your standard desktop PC. Colour:black Material:ABS+Metal Package Contents: 1 x USB 3.0 PCI card 1 x CD Driver 1 x English User Manual 2 x Screw 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.