WD 4TB Black Portable External Hard Drive From $89.99 + Free Shipping

BestBuy via eBay has the WD Easystore 4TB External USB 3.0 Portable Hard Drive with 32GB Flash Drive $89.99 + Free Shipping

or

Amazon has the WD 4TB Black My Passport Portable External Hard Drive $94.99 + Free Shipping

• Auto backup with included WD Backup software
• Password protection with hardware encryption
• Reimagined design
• Trusted drive built with WD reliability
• USB 3.0 port; USB 2.0 compatible. SYSTEM COMPATIBILITY: Windows 10, Windows 8, Windows 7. Requires reformatting for Mac OS X operating system