Newegg offers the Seagate 2TB Backup Plus USB 3.0 Portable Hard Drive in Silver, model no. STDR2000101, for $89.99. Apply coupon code "VISACHECKOUT" and pay through Visa Checkout to cut it to $80.99. With free shipping, that's $4 under our mention from a month ago and the lowest total price we've seen. (It's a current low by $19.) This drive is compatible with Windows and Mac and features an 18" USB cable and pre-loaded backup software. Deal ends October 31.