[Maximum extension, Most USB interfaces] Update your Computer to 7X USB ports (4-Ports USB-A and 3-Ports USB-C), 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. [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. [Wide Compatible System]This PCIe USB Card is compatible with for PCIE 4.0 PCIE 3.0 and PCIE 2.0 motherboards, Fits PCI Express x1, x4, x8 or x16 socket. Supports Windows 7, 8, 10, 11, MacOS, and Linux, . unRAID. Note: Win 11/10/8, MacOS 10.8.2, and Linux don't need any driver, Windows xp7 requires installing a driver and you can find the driver on the CD provided by us. If your computer is not recognized by any drivers, please to contact us. [Compatible With Desk Computer]It is compatible with the majority of motherboard systems on the market, such for Hero VI. Prime motherboard. , P520. Pro, MacPro 4.1/5.1. Reverb G2 (including old ). XPS 8300, 8950, R820 Note: The actual transmission speed is limited by the setting of the device connected. For some motherboard may be incompatible cases. please you are sure whether your motherboard or chip is compatible with our expansion cards or not Material: plastic colour: black Package Contents: 2 x expansion card 2 x PE Bag 2 x English instructions Only the above package content, other products are not included. Note: Light reflection 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.