Newegg offers the Seagate 5TB Expansion Desktop USB 3.0 External Hard Drive, model no. STEB5000100, for $139.99. Coupon code "EMCARNR75" cuts it to $119.99. With free shipping, that's the lowest total price we could find by $10. It includes a 4-foot USB 3.0 cable and power adapter. Deal ends April 30.