It's not like we can put in a VelociRaptor in our notebooks unless we want a case of fire hazard on our hands and the next best thing is probably their Scorpio Black line, and if capacity's always an issue, this 7200RPM / 16MB cache SATA 3 drive is now available in half a terabyte size. There are 2 versions to this drive: one with a free fall sensor, and another without, and the 500GB size is only available without this added feature. WD claims this drive consumes 5400RPM power to deliver 7200RPM performance, too.