Preformatted ntfs for systems running windows 10, 8.1, or 7, the 10tb elements desktop usb 3.0 external hard drive from wd provides users with up to 10tb of add-on storage for their photos, videos, music, documents, and other files. It features a 5 gb/s micro-usb 3.0 interface, which is also known as usb 3.1 gen 1, and is compatible with 480 mb/s usb 2.0. It is powered using an 100-240 vac power adapter and may be reformatted for use with macos sierra and high sierra. Also included is a usb cable.