Preformatted for systems running Windows 7 and later, the 4TB Expansion Desktop External Hard Drive from Seagate is automatically recognized by Windows, requires no additional software to install, and nothing to configure. Files such as photos, videos, music, and documents can be easily transferred to this drive via drag-and-drop, and fast data transfers are ensured using micro-USB 3.0 connectivity, which is also known as USB 3.1 Gen 1. This external hard drive features a 4TB storage capacity, is also compatible with USB 2.0, and includes a 4′ USB 3.0 cable and a power adapter.