Western Digital offers its factory-refurbished Western Digital 2TB My Book Essential USB 2.0 External Hard Drive, model no. WDBAAF0020HBK-NESN, for $89.99 with free shipping ($0.04/GB). That’s $10 below our July mention of this refurb and $39 under the lowest total price we could find for a new one today. It features password protection with hardware encryption. A 6-month Western Digital warranty applies.

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