If you have any questions, we will help you solve the problem when you need it, and if it can’t be solved, we will provide a refund and no return is required.

【Lifetime warranty】You can get 180 day worry-free warranty and friendly customer service.

Packing list：1x USB 3.0 PCI-E expansion card, 1x CD driver, 2 x installation screws and 1x user manual. quick and easy installation, a simple solution for connecting to and using USB 3.0 devices on your standard desktop PC.

【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.

Note: Windows XP,/Vista/7, Server,requires driver installation, Windows 10 and Mac OS 10.8.2 above don’t need drivers.

Operating System Supports Windows XP/Vista/2008 Server/7/8/10,and Mac 0s (10.8.2 above). 【Widely compatibility】 USB3.0 Backwards compatible with USB 2.0 and 1.1 devices Comply with PCI-e 3.0 PCIe 2.0 motherboards, Fits PCI Express x1, x4, x8 or x16 socket.【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.

【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.

Can i pcie usb 3 card in pcie x4 slot