Designed for growing your digital library, the gold 4TB Backup Plus USB 3.0 External Hard Drive from Seagate is formatted as exFAT and compatible with Windows and Mac right out of the box. It connects to systems running Windows 7 and higher or macOS 10.11 and higher using its micro-USB port and an included 18" micro-USB to USB Type-A cable that supports USB 3.0, which is also known as USB 3.1 Gen 1, as well as USB 2.0. It is bus powered so no additional power supplies are required and also features plug-and-play functionality, meaning that no additional drives are required for use.