Buy.com via Rakuten Shopping offers the Verbatim 128GB Store'n'Go USB 3.0 External SSD, model no. 47622, for $119.99 with free shipping ($0.94/GB). (Amazon charges the same, with limited stock.) That's the lowest total price we could find by $19. It features a maximum read speed of 190MB/s and a maximum write speed of 140MB/s.