WD 5TB My Passport Portable External Hard Drive – Link

Amazon has this currently marked down to just $99.99 w/ free shipping!

• Automatic backup easy to use
• Password Protection + 256 bit AES hardware encryption
• Western Digital Discovery Software for Western Digital backup, password Protection and drive management
• Superspeed USB port; USB 2.0 compatible. Compatibility-Windows 10 or Windows 8.1 operating systems. Requires reformatting for other operating systems
• 3 year manufacturer’s limited warranty