Western Digital offers its factory-refurbished Western Digital 6TB My Book USB 3.0 External Hard Drive, model no. WDBFJK0060HBK-NESN, for $199.99 with free shipping. That's $5 below our mention of a new unit from this past winter and the lowest total price we've seen for this drive. (It's currently $29 below the best price we could find for a new one.) It features local and cloud backup and up to 5Gb/s data transfer speeds. A 6-month Western Digital warranty applies.