ITEM NAME:USB3.0 Back Panel Expansion Bracket To 20-Pin Header Motherboard Cable Description: - Name: USB3.0 20Pin Dual Port USB Type-A Motherboard Line - Line length: about 50cm in total length - Interface: 2 USB3.0 Type-A female, 19/20 female - Turn the 20Pin front socket of the mainboard into two standard A-type interfaces and fix it at the rear of the chassis. - DIY desktop 19/20Pin to usb3.0 expansion card Package Included: 1x USB Back Panel Cable.Interface: 2 USB3.0 Type-A female, 19/20 female. - DIY desktop 19/20Pin to usb3.0 expansion card. 1x USB Back Panel Cable. - Turn the 20Pin front socket of the mainboard into two standard A-type interfaces and fix it at the rear of the chassis.