Motherboard Cable Adapterwith standard USB port needs no much skills of installing, very easy and safe. Your computer will work better with this motherboard cable adapter. The Internal 2 Port USB Motherboard Cable Adapter is a cable to connect to motherboards to use 2 ports external USB ports. Installation is very simple. Just look on your motherboard for two 5-pin USB ports. Adapter for computer cases to dual port USB connector on motherboard . Enable your motherboard USB port function . Be sure your motherboard have dual USB port pin connection headers before you buy. Length: about 9 inch. INCLUDED : 1 x Motherboard Cable Adapter USB 2.0 Rear Panel Bracket