Fast and portable external storage for the Mac, delivered! The Store ‘n’ Go SuperSpeed USB 3.0/FW800 Portable Hard Drive provides a fast, safe, and portable solution for Mac users to save and back-up their most important data. This HFS+ drive is formatted specifically for compatibility with Mac operating systems; and possess two interfaces—Firewire 800 and SuperSpeed USB 3.0 for dazzling transfer speeds with a super-cool look. The drive’s USB 3.0 connection offers expanded functionality, as it is backwardly compatible with USB 2.0 ports. Also included are Verbatim's Green Button energy-saving software and Formatter hard drive formatting software.