VIMVIP Dual USB 3.0 Female Back Panel to Motherboard 20pin Cable with PCI Bracket 50cm 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 Package include:1x VIMVIP USB 3.0 Back Panel+1 x VIMVIP Chain for Gift.