For its newsletter subscribers only, newegg offers the Seagate 3TB Expansion USB 3.0 External Hard Drive, model no. STBV3000100, for $139.99. Coupon code "EMCYTZT2683" cuts it to $119.99. With free shipping, that's $0.04/GB and the lowest total price we could find by $18, although we saw it for $5 less three weeks ago. It features built-in power management. Coupon expires December 20.