Preformatted exFAT, meaning it is compatible with Windows and Mac right out of the box. Connects to your host system using its micro-USB 3.0 interface. Includes: 18 in USB 3.0 cable, an 18 W power adapter, Seagate's Rescue Data Recovery Services, and Toolkit backup software. Power Source: AC Adapter. 1-year limited warranty. 1.6 x 7.0 x 4.9 in. Sold by each. Black.