newegg offers the Seagate Backup Plus 2TB USB 3.0 Desktop External Hard Drive, model no. STCB2000901, for $89.99. Coupon code "0910BTS56" cuts it to $79.99. With free shipping, that's $0.04/GB, $50 off list, and a very low price for a 2TB USB 3.0 hard drive. It's Mac OS and Time Machine ready, but is compatible with PC computers as well. Coupon expires September 16.