TigerDirect offers the Seagate 3TB Expansion USB 3.0 External Hard Drive, model no. STBV3000100, for $139.99. Coupon code “YSA79699″ cuts it to $119.99. With free shipping, that’s $0.04/GB, tied with last week’s mention, and the lowest total price we could find by $10. (We saw it for $5 less in November.) It features built-in power management.