What Is SSD? And How It Differs From HDD?

Shivendra Nath


If you do not know enough about the SSD, then you need not to worry about. Because, in this article I will explain various points about SSD. The full form of SSD is Solid State Drive, and it can be used in place of traditional Hard Disk Drive. But if you are thinking that both SSD and HDD are same then in reality this is not the case. 

However, there exists similarities and differences between both the technologies. When we talk about Hard Disk Drives, they have moving mechanical parts. Whereas SSDs do not have any moving mechanical parts. 

In addition to that, instead of using disks, read-write heads and motors, SSDs use flash memory. Let us understand what flash memories are? In simple words flash memories are the computer chips that can keep data stored in it even after the computer has been turned off. 

In recent years, this technology is being used by many around the world. Take the example of Apple’s laptop, the MacBook, MacBook Pro and MacBook Air all come with the SSD. This also goes for Mac Pro. 

Furthermore, SSDs uses a processor, or you can also call it controller, in order to read and write data. Not only this, the controller present in SSD is also responsible for the storing, caching, restoring and cleaning up of data. 

Also, the controller of SSD decides the speed of read and write along with the overall performance. 

Use Case of Solid-State Drive: 

  • Gaming: If you are a true gamer, then the chances are high that you will want smooth gameplay as much as possible. For that apart from high end graphics card you also need fast storage along with other specs. So here comes the role of SSD, with the help of it your game will load faster and can give you the fastest response possible. So, this is the one-use case of SSD. 
  • Business: If you are in a business and works with a lot of data. Then this will surely help you out. Because in comparison to HDD this gives much faster read and write speed. And ultimately, it will help you transfer bulky data in very small amount of time. 
  •  Web Hosting: Many companies understood the importance of providing SSD storage and implemented in their web hosting plans. And the result is that website of their customers loads quickly making the customer happy and satisfied.  

Advantages of SSD over HDD: 

credit: partitionwizard.com
  • Speed: Since SSD do not have any moving parts it can read and write much faster than a Hard Disk Drive. When talking about the speed SSD can read data 10 times faster than HDD. And it can write data 20 times faster. Furthermore, in a Hard Disk Drive the copying speed ranges from 30 MB/s and 150 MB/s. And when we talk about the copying speed of standard SSD it is about 500 MB/s. 
  • Energy Efficiency: Since SSDs do not have any moving parts the energy consumed by these types of drive is much less than the hard drive. 
  • No Overheating: SSDs are more heat resistant in nature, When compared to hard drive. 
  • Weight: When compared to hard drive, SSDs have less weight making it more efficient in functionality and performance.  

Disadvantages of SSD: 

  • Price: Price of the SSDs are more than the hard drive. And it is not suitable for those users who are on a tight budget. 
  • Storage Capacity: For those users who gives importance to storing ability much more rather than speed. For them SSD is not an excellent choice. I am saying this because the hard disk drive gives large amount of storage space when compared to SSDs. 

When to choose SSD and when to choose HDD? 

In simple terms if you are having speed as priority over the storage such as to play games then Solid-State Drive is best for you. Also, if you want to reduce the boot time of the Operating System then also you can use both SSD and HDD. On Solid-State Drive you can install the operating system such that it will boot faster. And you can use Hard drive to store programs and files. 

Moreover, if you are on a tight budget and want to have more storage in affordable price then Hard Disk drive will be the best choice for you. You can use it to store movies, songs, and other data as per your choice. I hope the topic of Solid-State Drive is clear to you. Thank you for reading this article and I will see you on the next one. 


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