Buy.com via eBay offers the Seagate 1TB Expansion USB 3.0 External Hard Drive in Black, model no. STBV1000100, for $64.99 with free shipping. That's $0.06/GB and the lowest total price we could find by $20. It features USB 3.0 connectivity, an external data transfer rate of 640Mbps, and more. Deal ends April 13 at 11 am ET.