SuperSpeed USB 3.0, (5 Gbps); USB 2.0 compatible. Massive capacity, Available in capacities up to 18TB, there's plenty of room to save the massive amounts of photos, videos, and music you love, plus your important documents. Password Protection with Hardware Encryption. The My Book drive’s builtin 256bit AES hardware encryption with password protection helps keep your content private and safe. Just activate password protection and set your own personalized password using the included software. For quick, convenient access you can set to automatically unlock the drive on your computer, saving you the hassle of keying in your password every time. Complete Backup. My Book desktop storage comes equipped with backup software to help make sure your photos, videos, music, and documents don’t get lost. You can set it to run automatically to your schedule. Just pick the time and frequency to back up important files from your system. With the power of the included backup software, you’ve got complete backup routine options to help recover data in the event of a computer virus or computer failure, or if you accidentally press “delete”. Easy to Use. Ready to use with Mac and Windows computers right out of the box, so you can start transferring files, saving your memories, and backing up right away. It also comes with all the software you need to help protect your data. The My Book drive is trusted desktop storage designed to complement your personal style with a massive amount of space to store your photos, videos, music, and documents. Equipped with password protection and perfectly paired with backup software, My Book desktop storage helps keep your files safe.