Desktop 9-Pin USB HUB USB 2.0 9 pin Connector Adapter Port Multilier. Support DC 5v 500ma current for each port.. With back glue, can be directly fixed on the main board or chassis. It can extend your usb 2.0 connector to 2*9pin connectors.. USB 2.0 HUB chipset inside, and support 480Mbps speed.