Verbatim 2TB Store 'n' Save Desktop Hard Drive, USB 3.0, Diamond Black 97580 Durable desktop drive - 2TB storage and USB 3.0, up to 10X faster than USB 2.0! Enclosure design with ventilation slots allows for quiet, fan-free operation 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