Amazon offers the Seagate Expansion 3TB USB 3.0 External Hard Drive, model no. STAY3000102, for $110.99 with free shipping ($0.04/GB). That's the best total price we could find by $7, although it was a buck less last month (since expired). This drive is purported to run 3x faster than a similar USB 2.0 device when connected to a USB 3.0 port.