The Western Digital 1TB My Passport Ultra is great for storing large videos and image files that clutter your computer system. This external hard drive is preformatted for Windows systems and requires reformatting for Mac OS systems. The USB 3.0 external hard drive offers a data transfer rate of 5 Gbps. With the WD Discovery software, your photos, videos, and documents stored on social media sites get transferred to the My Passport Ultra drive. The 256-bit AES hardware encryption is provided by WD Security software that keeps your stored data away from unauthorized access. You can use the included WD Backup software to automatically backup data to the drive at specified intervals. This hard drive is bus-powered, thus offering a plug-and-play operation.