ITEM NAME:Super Speed PCI-E to USB 3.0 2 Ports Expansion Card 4 Pin Power Connector Description: - Bus-.Fully Plug & Play and Hot Swap Compatible connect. - Port :2 external USB 3.0 port. - 4 pin connector supports extra power, no external power is needed. - Power support:4 PIN connector. - Power connector available for high current consumption peripherals.