3ft power eSATA cable features two male power eSATA connectors, allowing you make a direct link between devices equipped with the USB/eSATA combination ports. An ideal solution for connecting external hard drive enclosures to your laptop or desktop computer, this high quality cable provides a full speed eSATA connection combined with a USB connection that can be used to power the external storage (where supported) - even if using a laptop computer running on battery power. Replace worn-out or missing external eSATA drive cables with this 3ft replacement. Keep as a spare cable, perfect for use on the road with a laptop. Backed by lifetime warranty.