Featuring a plug-and-play USB 3.0 port and transfer speeds up to 130MB/s (1), the G-DRIVE mobile drive offers portable storage in a stylish, aluminum design to compliment your Mac computer. And with up to 4TB (2) of Mac storage, you're instantly ready to back up your favorite videos, photos, music and documents, wherever you go. |(1) as used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second. Performance will vary depending on your hardware and software components and configurations. |(2) as used for storage capacity, one gigabyte (GB) = one billion bytes and ONE terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment.