The WDBYFT0020BBK is the 2TB My Passport Portable Hard Drive from Western Digital. The My Passport series is the trusted, portable storage that perfectly compliments your busy, on-the-go lifestyle. Designed to fit in the palm of your hand, there's plenty of space to store a massive amount of photos, videos, music and documents. It's ready to use out of the box so you can start transferring files, saving your memories and backup up data. It comes with all the software you need to help protect all your data, including WD Backup and WD Security software.