Today only, until 2 pm ET 9or 100% claimed), Amazon offers the Seagate Expansion 750GB Portable USB 2.0 External Hard Drive, model no. ST907504EXA101-RK, for $69.99 with free shipping ($0.09/GB). That's the lowest total price we could find by $27 and the least expensive Seagate 750GB portable hard drive we've seen since Black Friday. This drive runs at 5400 rpm.