The Delock USB 3.0 hub expands your PC or notebook with four additional USB 3.0 ports and one USB port that can be used to power USB devices. It can be used as an external device with the provided power supply or as an internal device within the 3.5″ slot of the PC. Simply connect the power cable from the computer to the hub and pull out the USB 3.0 cable. The package also includes three different panels in black, silver, and beige, allowing you to change the color of the device's front.