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Thursday, 18 September 2014

Difference Between SDD and HDD

 Difference Between SSD and HDD


Solid-State Drive or Solid-State Disk(SSD) to store data persistently via integrated circuit assemblies. An SSD uses semiconductors as a primary storage medium, which is in direct contrast with hard drives that use magnetic media.

 Features of SSD
Features of TFT LCD:
Features of TFT LCD:
  • Non-mechanical design of NAND flash mounted on circuit boards, and are shock resistant up to 1500g/0.5ms
  • 100 times greater performance, almost instantaneous data access, quicker boot ups, faster file transfers, and an overall snappier computing experience than hard drives
  • use significantly less power at peak load than hard drives, less than 2W vs. 6W for an HDD
  • Flash-based SSDs weigh considerably less than hard drives – only 77g vs. 752.5g for HDDs
  • It is not affected by magnetism. So information could not be erased using strong magnets.
  • With no moving parts, SSDs run at near silent operation and never disturb your computing experience
Dark Side

  • NAND flash memory is still expensive.

Hard Disk Drive(HDD) consists of discs that are encased in a magnetic coating. This coating stores data magnetically, and the discs spin at rapid speeds to store and obtain information.

 Features of HDD
  • Much cheaper than SDD
 Dark Side
  • Less Durable.Hard Drives consist of various moving parts making them susceptible to shock and damage.
  • A typical HDD takes about 5,000 to 10,000 micro-seconds to access data where 100 times slower than SSD
  •  More Power required to spin the platters
  • HDD generates more heat beacuse of moving parts which in turns slowly damage electronics over time.
  • information could be erased from an HDD using strong magnets.

 Best SDD available now in the market   SanDisk Extreme PRO , Samsung SSD 850 Pro,Seagate 600 SSD

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