2 Port USB 2.0 Rear Panel Expansion Bracket to Motherboard USB Header

Connections: USB 2.0 Female (x2), 9 pin motherboard cable

Length: 11in

Comes with bracket

Doesn't take up PCI slot

This cable (plus bracket) provides 2 external USB 2.0 ports that connects to the motherboard.  This lets you add USB ports without having to take up any PCI slots.