Newegg offers the Seagate 4TB Backup Plus USB 3.0 External Hard Drive, model no. STCA4000100, for $169.99. Coupon code "0114WNTER60" cuts it to $139.99. (Amazon has it for the same price.) With free shipping, that's $0.03/GB and the lowest total price we could find by $10, although we saw it for $15 less in yesterday's expired mention. It features two backup scheduling options and social network sharing. Deal ends January 20.