Newegg via eBay offers the Seagate 2TB Backup Plus USB 3.0 Portable Hard Drive in Blue, model no. STDR2000102, for $79.99 with free shipping. That's $25 under our June mention and the lowest total price we've seen for this model. (It's also a current price low by $8.) This drive is compatible with Windows and Mac and features an 18" USB cable and pre-loaded backup software.