Verbatim 1TB Store 'n' Go Portable Hard Drive, USB 3.0, Diamond Black  97395 Compact, portable drive with 1TB storage and unique diamond finish Comes with SuperSpeedUSB 3.0, up to 10X faster than USB 2.0! Backwardly compatible with USB 2.0 ports, including gaming systems and PC / Mac computers. Nero BackItUp software (compatible with Windows) includes backup and restore functions. Pre-formatted FAT32 - can be reformatted to NTFS or HFS+ Features Green Button energy-saving software - power-saving settings to help conserve laptop battery life Verbatim has been a leader in data storage technology since 1969, and guarantees this product with a 7 year limited warranty and technical support