A portable 4TB hard drive featuring high performance storage using a USB 3.0 SuperSpeed interface. Offering up to 10 times faster data transfer rates than USB 2.0 and providing ultra fast data transfer on the go. Featuring a neat mobile design, this device is formatted in FAT32 enabling you to use it on Windows and MAC operating systems. With the added security of Nero Backup software (compatible with Windows XP, Vista, Windows 7, Windows 8 and windows 10), you can back up all your files, folders and drives at any chosen or scheduled time. This portable hard drive is USB 3.0 bus powered yet is backwards compatible to any USB ports on your PC or notebook and no external power is needed for operation. Featuring Green Button energy-saving software and 3 'Sleep Setting' options. Comes with a 2 year limited warranty.