Hitachi figured that if one Blu - shaft of light disc holds 50 GB of datum , why not stack 100 crack - fragile discs on top of each other and wad them into a 2.5 - inch thick cartridge ? The result : 5 TB of store . That ’s just what the company is going to do with its SVOD ( Stacked Volumetric Optical Discs ) technology .
The Blu - ray version is still in the works , but the company says a DVD - based product will be useable by early on next year . The DVD version ’s 100 ultra - thin ( 92 micrometer caliper ) double - sided disk will combine to salt away 940 GB on a magazine , which will betray for around $ 340 .
This could be an efficient way to archive reams of data , that is , until hard disks — and ultimately wink computer memory — get to be cheaper , more permanent and more portable .
Hitachi planning first-rate datum catridge by squeezing 100 Blu - Ray discs[Newlaunches ]
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