Description [Maximum Expansion, Most USB Interfaces] Upgrade your computer to 7 ports USB3.0--2 ports Type C and 5 ports Type A. You can connect keyboards, mice, external hard drives, CD/DVD drives, webcams, USB printers, scanners, game controllers, USB VR, digital cameras, etc. [Enhanced Quality and Efficiency] Supports transfer speeds up to 5Gbps for copying HD videos, music, photos, and data files between USB devices and your computer at lightning-fast speeds. Please note: The actual transfer speed is limited by the settings of the connected device. [Wide Compatibility] USB3.0 is backward compatible with USB 2.0 and 1.1 devices; compatible with PCI-e 3.0, PCIe 2.0, and PCIe 1.0 motherboards, fits PCI x1, x4, x8, or x16 slots. Supported operating systems: Windows XP/Vista/2008 Server/7/8/10 and OS (10.8.2 and later). Note: Windows XP,/Vista/7, Server requires driver installation, Windows 10 and OS 10.8.2 and later do not need drivers. [Easy to Install] Turn off your computer, unplug the power supply, remove the computer case, insert the card into the PCIe slot, and tighten the screws, close the computer case, turn on the computer, and install the driver. Quick and easy installation, perfect for connecting and using USB 3.0 devices on your standard desktop computer. Color: 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 product in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.