Hitachi's Travelstar Z5K500 series 2.5-inch hard disk drive released yesterday not only achieved the ultra-thin thickness of 7 mm, but also concealed a secret: its disc uses the sixth generation of vertical record (PMR) storage technology, and is expected to promote the birth of 4TB or even 5TB hard disk. . Travelstar Z5K500 series uses a single-disc design, capacity 500GB, storage density of 636Gb per square inch, only 2 or 3 can be achieved 1TB, 1.5TB 2.5 inch notebook hard drive or mobile hard drive, and if promoted to 3.5 inch desktop hard drive, can Raising the capacity of single discs to about 1 TB, four discs can be used to create 4TB hard discs, and the style of Hitachi's five discs can even reach 5TB super hard drives.
Professional analysts also predicted not long ago that by the end of next year, we would expect to see 4TB hard drives.
According to Brendan Collins, vice president of global storage product marketing at Hitachi, "The Travelstar Z5K500 series is the industry's only single-disc 500GB product and the only second-generation 7mm (thickness) product family. Hitachi... is leading the market in a wide range of markets. The 2.5-inch hard disk is transferred from 9.5 mm to 7 mm."
According to IDC statistics, the total capacity of 500/320/250GB in the 2.5-inch notebook hard disk exceeds 77%, of which 500GB accounts for as much as 22%, and is expected to increase gradually by 42% between 2010 and 2013.
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