G-Technology G-DRIVE Mobile GDRU3CWW10001ADBV3 - hard drive - 1 TB - USB 3.

Featuring a plug-and-play USB 3.0 port and transfer speeds up to 130MB/s, the G-DRIVE Mobile drive offers portable storage in a stylish, aluminum design to complement your Mac computer. And with up to 4TB of Mac storage, you're instantly ready to back up your favorite videos, photos, music and documents, wherever you go.