Electronics giant Hitachi has announced the industry’s highest density, single-platter hard disk drive that has an areal density of 636Gbit/inch, almost 100Gbit per square inch more than its closest competitor. Per Macworld, Hitachi’s 2.5″ in 5400-rpm Travelstar Z5K500 laptop drive is only 7mm in height. The drive is the industry’s highest capacity, single-platter hard disk […]