Motherboard USB 9 Pin Header Hub Male 1 to 2/4 Female 2.0 Splitter...
The internal USB 2.0 hub is used to expand the USB 9-pin interface of the motherboard. The USB 2.0 of the motherboard can be expanded from 1 to 4 USB 9-pin interfaces. It can also be broken into two motherboard USB 2.0 1 to 2.