Kingwin USB 3.0 Dual Port PCI Bracket Cable with Built-In-20-Pin Header, Up to 5 Gbps for Maximum Transfer Speed, Extend Your USB 3.0 Port On Motherboard to Back Of Your Computer Case [KW-PCI2USB3] Supports USB 3.0 for maximum data transfer Easy to install and compatible with most cases Steel Bracket for rear side of the case Extned your USB 3.0 on the motherboard to the back of your desktop case