SSD ahead of hard drives in data storage density

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POSTER: computer news   ||   SSD AHEAD OF HARD DRIVES IN DATA STORAGE DENSITY	DATE:2016-02-09
Toshiba  recently announced restructuring , it has promised to reduce the range of hard disk drives and pay more attention to the development of solid-state drives.  Two other major hard drives manufacturer also actively interested in solid-state memory, but still prefer to deal with the most profitable segments - corporate and server.  Typically, HDD and SSD storage  information by comparing the unit cost, but some experts as explained Computerworldwebsite, ready to compare the data density provided by one or the other drives category  . According to  Samsung, in the last year SSDs caught density recording on magnetic hard drives platters - crossing occurred at the level of less than 1 terabit per square inch, and now SSD already provide a recording density of 1.69 terabits per square inch  .  This is achieved through the use of memory-type 3D NAND.  Company Micron announced its ability to create drives with a recording density of 2.77 terabits per square inch.  The most capacious hard drives are now providing the recording density of up to 1.3 terabits per square inch.  However, most commercially supplied HDD, this figure does not exceed the 850 gigabits per square inch. Industry hard drive retains the potential to increase the recording density.  heating technology platters laser at Seagate estimates that will allow to overcome the barrier of 1.4 terabits per square inch.  Theoretically, manufacturers are able to produce hard disks size 3.5 "60 TB volume, and hard disks size 2.5" can achieve capacity of 20 TB.  While this progress is maintained, in solid-state drives have no chance to overtake on the HDD in the information storage unit cost.  The most capacious SSD volume of 13 TB is now offered for $ 13 000, and the hard drive volume 8 TB is available for $ 500. The cost of storage units unit information on the hard magnetic disk is not reduced in recent years - just increase the recording density is observed.  For the year, this figure increased by 60%.  If we talk about areas of SSDs massive use   in consumer sector can be regarded as the most promising their use in laptops.  Already last year, a quarter of new laptops use only the SSD.  This year, the proportion will increase to 31% and in 2017 - to 41%. Cost of information storage units in the 3D NAND-type memory cell will fall to a level with the planar NAND in 2017.  Hard drives will use a laser heating  not before 2018. Related Products :

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