The Verbatim Store n Go portable hard drive features high performance storage using a USB (Universal Serial Bus) 3.0 Super Speed interface. USB (Universal Serial Bus) 3.0 offers up to 10 times faster data transfer rates than USB (Universal Serial Bus) 2.0 (based on USB (Universal Serial Bus) bus speed) providing ultra fast data transfer on the go. Store & carry your digital & day to day working files on this truly mobile drive. Its stylish smooth design sits neatly on the modern desk top as the perfect accompaniment to your laptop. Store n Go portable hard drive is USB (Universal Serial Bus) 3.0 bus powered (1 x USB (Universal Serial Bus) 3.0 interface) yet is backwards compatible to any USB (Universal Serial Bus) 2.0 ports on your PC or notebook. The drive requires no external power for operation; simply plug n play. Store n Go Portable Hard Drives are formatted in FAT32 enabling you to use them on Windows OS & Mac OS systems. Power: Bus powered via USB (Universal Serial Bus) 3.0 cable Interface: USB (Universal Serial Bus) 3.0 / 2.0 port Data Transfer Rate: up to 4800 Mbits/second (USB Bus Speed) Rotational Speed: 5400rpm Cache: 8MB or greater Pack Contents: Store 'n' Go Portable Hard Drive USB (Universal Serial Bus) 3.0 USB (Universal Serial Bus) 3.0 cable Quick Start Guide printed in 27 languages User Guide (included on the hard drive) Nero Back It Up & Burn Essentials software (included on the hard drive) Green Button Energy Saving Software (included on the hard drive Green Button Software User Manual (included on the hard drive).