Western Digital Store offers its refurbished Western Digital 3TB MyBook Essential USB 3.0 External Hard Drive, model no. WDBFJK0030HBK-NESN, for $79.99. Coupon code "WDDNEWSJULY" drops it to $67.99. With free shipping, that's $12 under our April mention and $41 below the lowest total price we could find for a new unit. It features a USB 3.0 interface and password protection with hardware encryption. deal ends July 31. A 6-month Western Digital warranty applies.