Built from aluminum and designed for on-the-go laptop users, the 2TB G-Drive mobile USB 3.0 External Hard Drive from G-Technology provides 2TB of space for data such as documents, videos, photos, music, and more. This drive features a rotational speed of 5400 rpm and is bus powered via its USB 3.0 interface, meaning that no external power supplies are required for operation. The G-Drive mobile comes preformatted for Mac OS X 10.9 and later and supports Apple Time Machine, while also being compatible with Windows 10, 8.1, and 7 via a simple reformat. Included with this portable hard drive is a USB 3.0 cable that is also compatible with USB 2.0.