Features: Cableusb3.0 is biostar solution for users to using USB 3.0 ports from the rear or front panel. The package is come with 2 USB 3.0 ports, 1 black brushed aluminum front panel and 1 USB port holder bracket. The front panel is used to mount with a 2.5" drive Bay and bracket is optional to help holding the ports in the rear panel. Cableusb3.0 has cables that connect directly to motherboards with built-in 19-pin internal USB 3.0 headers.