The Verbatim Store n Go portable hard drive is a great way to store and carry your digital and day to day working files. With a USB 3.0 Super Speed interface. USB 3.0 offers up to 10 times faster data transfer rates than USB 2.0 (based on USB bus speed) providing ultra fast data transfer on the go. Verbatim Store n Go portable hard drive is USB 3.0 bus powered (1 x USB 3.0 interface) yet is backwards compatible to any USB 2.0 ports on your PC or notebook. The drive requires no external power for operation, simply plug n play.