ITEM NAME:2 USB3.0 Female Back Panel To Motherboard 20pin Header Connector Cable AdaptBSE Features: This cable (plus bracket) provides 2 external USB 3.0 ports that connect to the motherboard. This lets you add USB ports without having to take up any PCI slots. USB 3.0 Back Panel Expansion Bracket to 20-Pin Header Cable (2-Port) Connectors:USB 3.0 Female (x2), 20 pin motherboard Comes with bracket Doesn't take up PCI slot Length: about 45cm/1.5ft Color:Â Blue Package Content: 1 x USB 3.0 Back Panel.Connectors:USB 3.0 Female (x2), 20 pin motherboard. This cable (plus bracket) provides 2 external USB 3.0 ports that connect to the motherboard. USB 3.0 Back Panel Expansion Bracket to 20-Pin Header Cable (2-Port).