This 12in internal USB IDC cable features two 5-pin USB motherboard header connectors, allowing you to connect a front panel USB hub or card reader directly to the motherboard header ports. This cable provides a solution for connecting multi-function front panels, or any device that relies on internal USB ports, directly to the motherboard or expansion card offering USB an IDC (Header) connection without having to install additional cards, or run cables externally to the rear ports. Constructed of high quality materials and expertly constructed for durable performance, the 12in Internal IDC USB 5-pin Motherboard Header Cable is backed by Star Tech. com s Lifetime Warranty. Applications Connect front panel USB ports to the motherboard or expansion card Connect Rear USB Expansion boards to the motherboard