. The Elements drive quickly backs up and retrieves files by utilizing USB 3.0 technology and draws power from a USB bus-powered port on your device meaning that it requires no other additional external power source. Automatic data backups have also been simplified with free software that lets you create scheduled backup times. The WD Elements drive is protected by a limited 3-year worldwide warranty and a USB 3.0 cable is included. Maximum Transfer Rates When connected to a USB 3.0 port WD Elements portable storage delivers increased performance for data transfers. Transfer a full-length HD movie in a fraction of the time it takes with USB 2.0 USB 3.0 and 2.0 Compatibility Works with USB 3.0 devices and is backwards compatible with USB 2.0 devices High Capacity Small Enclosure The small lightweight design offers high-capacity storage making WD Elements portable storage a viable companion for value-conscious consumers who want to take their important files with them Improve PC Performance When your internal hard drive is almost full your PC slows down. Don\'t delete files. Free up space on your internal hard drive by transferring files to your WD Elements and get your PC moving again WD Quality WD knows your data is important to you and builds the internal components of the drive to demanding requirements for durability shock tolerance and long-term reliability. The drive is then protected with a durable enclosure Formatted for Windows Formatted NTFS and compatible with Windows 10 8.1 and 7. It can also be reformatted for Mac.