This 12 inch 22 pin sata22pext sata power and data extension cable enables you to extend the reach between internal sata power and data connections and a sata hard drive by up to 1 feet the extension simplifies drive installation by overcoming typical connection limitations and it reduces the risk of damage to the drive or motherboard sata connectors by eliminating the need to strain or stretch the cable in order to make the necessary data connection extend the reach of your sata hard drive conn