Behind competitors Hitachi and Samsung --both of which have begun shipping 500GB laptop drives -- Toshiba has finally announced new 400GB high-capacity drive along with a new line-up of high-performance 2.5-inch HDDs. The new 400GB drive boosts areal density to 477Mbit/s (308Gbpsi) to achieve a capacity of 400GB on just two platters and is touted a
