They're your photos, your music, your videos, your important files. Make extra room for them and keep them safe on a My Book Mac Edition USB 2.0 external hard drive from WD. This drive is all about simplicity. Plug it into your computer's USB 2.0 port and start saving. It's so simple and integrated that the drive even turns on and off with your computer. With just the essential features for add-on storage it's perfect for all your precious digital assets.