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Thursday, November 25, 2021

What is the Difference Between SSD and HDD Drives

  • what is the difference between ssd and hdd drives
  • Computers, Laptops and Smartphones all need to perform well Both the storage works, SSD is expensive and HDD is cheap.

What is HDD

  • HDD is a storage device in which data is stored, it resides inside the computer, inside it is a spinning disk, in which data is stored magnetically HDD has many heads and with them there is an arm whose work is on the disk. Reading and writing data is a legacy technology without going to HDD. It is generally low in cost and is good enough for data that does not need to be accessed frequently. It is available in two common forms. The 2.5″ ones commonly used on laptops and the 3.5″ ones used on desktop computers.
  • The work of hard disk is to store computer data permanently and retry when needed. HDD is also called secondary storage device. Hard disk is of two types, first is internal hard disk and second is external hard disk is internal. The hard disk resides inside the CPU which is connected to the mother board using a cable. External hard disk is the same as the hard disk of the computer from inside, the only difference is that the external hard disk is attached to the outside of the computer by the USB board. In which personal data can be saved, the first hard disk was made by IBM company, whose storage capacity was only 5MB and weight was about 250kg but later many changes were made in it, the result of today’s modern hard disk is hard disk made of metal. It happens on which a thin layer of magnetic material is mounted, that is why it is also called electro mechanical data storage device, to store this data, it has a platter, many tracks and sectors are present in these platters. Spinning through a spindle, this disk works to read and write data by spinning the data on which digital data is saved.
  • Its speed is measured in RPM, most of the HDD ranges from 5400 RPM to 7200 RPM. The reason for this is that whenever we store data on the hard disk, it is stored in pieces. And sometimes those pieces go to different parts of the hard disk, when there is a lot of data in the hard disk, then our computer has trouble finding the data in the hard disk, due to which it becomes slow if To keep the hard disk fast, then from time to time you have to keep defragmenting the hard disk by your computer’s software. There won’t be any problem.
  • hdd is less faster than ssd, the speed of copying and correcting any file of hdd is 50 to 120 MB / S while ssd is faster than this hdd is cheaper than ssd hdd has moving parts that makes a lot of noise
    There is a possibility of data loss in this, hdd consumes more power, due to which its battery backup is less.

What is SSD

  • SSD is also a storage device. SSD got its name from solid state because it uses solid state devices at the bottom. Its full name is solid state drive. It has micro chips to store data. Updated version of SSD hard disk. Which is made using new technology, it is lighter and smaller in weight than the ordinary hard disk. Hard disk consists of a single disk, but SSD has a chip, no drive is rotated in it, there is no physical rotating drive. Because of this the speed of ssd is many times more than hdd.
  • ssd is designed for faster input, output performance ssd was invented to make computer faster and less power consuming ssd is very expensive because of its internal design ssd made of semiconductor But it is a permanent storage device, an ssd does not have a mechanical arm, so an embedded processor is used to read and write data, which is also called a controller. Semi conductor chip communicates better than magnetic material, so It is very fast, the controller is used to know the speed of the ssd, whatever decision it takes like storing the data, retrying the raw data and gives clear cache.
  • Its speed is measured in RPM, most of the HDD ranges from 5400 RPM to 7200 RPM. The reason for this is that whenever we store data on the hard disk, it is stored in pieces. And sometimes those pieces go to different parts of the hard disk, when there is a lot of data in the hard disk, then our computer has trouble finding the data in the hard disk, due to which it becomes slow if To keep the hard disk fast, then from time to time you have to keep defragmenting the hard disk by your computer’s software. There won’t be any problem.
  • hdd is less faster than ssd, the speed of copying and correcting any file of hdd is 50 to 120 MB / S while ssd is faster than this hdd is cheaper than ssd hdd has moving parts that makes a lot of noise
    There is a possibility of data loss in this, hdd consumes more power, due to which its battery backup is less.
Prince Jangid
I am a highly motivated individual who is passionate about technology and research. I believe that it’s an engineer's responsibility to share knowledge and educate the general public. This is why I have chosen to write about Mobile and Tech related topics.

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