WD’s 5TB My Passport Portable Hard Drive comes with password protection and built-in 256-bit AES hardware encryption, all for $99.99 shipped, today only, originally $149.99. You can activate password protection and set your own personalized password using WD Discovery. This updated model has been redesigned to feature a convenient, slim form factor, making it perfect to slip into just about any bag. Product page. Read more for a hands-on video and additional information.