Designed with the same commitment to quality that made WD external drives the number one drives in the world, WD’s WD Elements USB 2. 0 external hard drives are the right answer for simply affordable add-on storage. Just connect the power and plug it in to a USB port to start saving your photos, music, video, and files. Designed with the same commitment to quality that made WD external drives the number one selling drives in the world. Just connect the power and plug the drive into a USB port to instantly add more storage to your computer. Designed for use with Windows-based computers. Can be easily reformatted for use with Macs. A simple connection that offers convenience and compatibility among multiple computers. WD Elements external drives are designed to save energy. WD Green Power Technology lowers internal drive power consumption by up to 30 percent, a sleep mode reduces power during idle times, and a power-saving feature turns the drive on and off with your computer. We designed a small box from recycled material to minimize waste. We encourage you to recycle it.