G-Technology G-DRIVE mobile 750GB 5400RPM Portable External Hard Drive w/ USB 2.0, Firewire 400, Firewire 800 Interfaces 0G01993 (Silver). Portable FireWire Drive for Apple MacBook ProG-DRIVE mobile hard drives are the perfect compliment to your new Apple MacBook Pro. Weighing in at less than 9 oz., G-DRIVE mobile is the ultra-portable and stylish way to travel with up to 750 GB of storage space for your important documents, MP3s, digital video and digital photo files. G-DRIVE mobile is bus powered, eliminating the need to carry an external AC power supply. Portability was never so easy!Easy to Setup -Time Machine ready!G-DRIVE mobile is formatted at the factory HFS+ with Journaling and is Time Machine ready right out of the box! A simple initialization is all it takes to prepare G-DRIVE mobile for use with Windows systems!The Best Warranty & Support in the Business G-Tech's 3-Year WarrantyG-DRIVE mobile is backed by a standard 3-year factory warranty. 750 GB Capacity USB 2.0, Firewire 400, Firewire 800 Interfaces. Compact size, weighs less than 9 oz. Bus powered -no AC adapter required