Rocstor Premium 18in internal USB IDC cable features two 5-pin USB motherboard header cable connectors enabling you to connect a front panel USB hub or card reader directly to the motherboard header ports. An optimal answer for connecting any device or multi-function front panels that rely 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 external cables to the rear ports. Backed by Rocstor Lifetime Warranty.