Best Buy offers the Toshiba Canvio Desk 3TB USB 3.0 External Hard Drive, model no. HDWC130XK3J1, for $119.99 with free shipping ($0.04/GB). That’s the lowest total price we could find by $16, although we saw it for $1 less a month ago. Sales tax is added where applicable. This enclosed 3.5″ hard drive features an 32MB cache and runs at 5700 rpm.