❶ 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) ❷ 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. ❸ 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 Express x1, x4, x8 or x16 socket .Operating System Supports Windows XP/Vista/2008 Server/7/8/10,and Mac 0s (10.8.2 above) . Note: Windows XP,/Vista/7, Server,requires driver installation, Windows 10 and Mac OS 10.8.2 above don't need drivers ❹ EASY TO INSTALL ：Shut down the PC, unplug the power supply,remove the PC case,push the 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.