Description: Easy/fast way to add USB ports without taking up a PCI slot. Dual USB 3.0 A Type Female to 20Pin Header Slot Adapter for Motherboard - External to Internal. Add extra USB 3.0 ports to any PC with this dual USB 3.0 Female ports to motherboard Y cable. Make your computer work faster with this cable;Flexible design allow for cable routing and better fit; Higi Speed: Copper core, excellent electric conductivity, the speed rate of data signalling is Up to 5Gbps. Specification: Material: PVC Cable Length:25cm/0.82feet Color: Black Package Includes: 1 Piece Dual USB3.0 to 20pin Cable