Designed to be a stylish portable warehouse for your digital life, the WD 4TB portable hard drive in blue makes it easy to take all of your movies, music and files with you while on the move. The compact design fits into a pocket or bag, so you're able to take it just about anywhere. Portable external hard drive has a 4TB storage capacity and blue case. Ideal for a significant amount of videos, photos, music, and files to protect on the go. USB 3.0 interface offers fast data transfers. Backward compatible with USB 2.0. PC compatible (Windows 10). Set a password for 256-bit AES hardware encryption to prevent unauthorized access. Automatic local and Cloud back up options help ensure your files are secure. WD My Passport portable external hard drive is compact enough to carry around.