Best Buy offers the Seagate Expansion 1TB USB 2.0 External Desktop Hard Drive, model no. ST310005EXA101-RK, for $49.99 with free shipping ($0.05/GB). That’s tied with our May mention and among the lowest total prices we’ve ever seen for a 1TB USB hard drive. (It’s also a current price low by $16.) Sales tax is added where applicable. This 3.5″ hard drive spins at 7200 rpm.