Verbatim 500GB Titan XS Portable Hard Drive, USB 3.0, Black 97398 500GB storage capacity Includes Nero backup software* for full system backup and restore functionality Features Green Button energy-saving software - power-saving settings to help conserve laptop battery life Easily format drive to FAT32 or NTFS (or FAT 32 to HFS+ for Mac) based on your needs using pre-installed Formatter software USB 3.0 connectivity - transfer speeds up to 10X faster than USB 2.0 interface 100% compatible with USB 2.0 ports Industry-leading 7-year Limited Warranty * Software compatible with Windows operating systems only Industries smallest hard drive (5.2 x 7 x 1.87) Outfitted with a shock-resistant rubber casing Windows and Mac compatible Bonus Norton Online Backup (5GB) and eMusic offer of 35 MP3s SuperSpeed USB 3.0 increases transfer speed up to 10x faster than USB 2.0