For its newsletter subscribers only, newegg offers the Seagate Backup Plus 1TB Portable USB 3.0 External Hard Drive in Black, model no. STBU1000100, for $89.99. Coupon code "EMCJNHD69" makes it $79.99. With free shipping, that's $0.08/GB, $10 under yesterday's mention of a different color, and the lowest total price we could find by $10. This drive is compatible with Windows and Mac and features a USB 3.0 adapter, 18" USB 2.0 / 3.0 cable, pre-loaded backup software, and more. Deal ends November 1.