eCost via eBay offers the factory-refurbished LaCie 3TB d2 Quadra eSATA / FireWire 800 / USB 3.0 External Hard Drive, model no. 301549U-R, for $144.99 with free shipping. That's $0.05/GB and the least expensive 3TB quad-interface external hard drive we've seen. (It's also $79 under the lowest total price we could find for a new unit.) This 3TB 7200 rpm external hard drive features an aluminum casing, 32MB cache, eSATA and USB 3.0, two FireWire 800 ports, and more. A 90-day LaCie warranty applies.Deal ends April 5 at 4 am ET.