USB 2.0 9pin 10pin Header 1 to 4 Female Splitter Extension Cable HUB with IDE 5V Power Connector Adapter Port Multilier The cable can be used to connect internal usb 9pin devices, e.g. 4 cards with 9pin connector to a controller with usb2.0-9pin connector. The IDE 4pin connector can connect the extral 5V power to the board. With back glue, can be directly fixed on the main board or chassis. It can extend your motherbord 9pin connector to 4*9pin connectors.