This 1.64 -foot internal extension cord adopts dual female 20Pin USB 3.0 header on both ends, used to lengthen the original onboard mainboard USB 3.0 port when the distance between motherboard and chassis front panel is insufficient. Built per USB 3.0 specification to ensure steady 5Gbps high-speed file transmission and normal power output for front-mounted USB-A devices. Premium insulated outer jacket withstands internal cabinet high temperature and daily bending abrasion. It is an essential fitting for PC builders solving front panel header position mismatch during case swap or hardware upgrade.