The WD My Passport 4TB portable hard drive offers massive, secure storage in a slim, pocket-sized design. Built with a USB 3.2 Gen 1 interface, it delivers dependable real-world data transfer speeds between 100 MB/s and 130 MB/s. It is ideal for scheduling automatic backups of photos, videos, and documents. It includes 256-bit AES hardware encryption for password protection and comes ready out of the box for Windows and Chrome OS to safely preserve your entire digital life.