What is SSD - Computer world





Friday, October 11, 2019

What is SSD

Solid State Drive (SSD)
SSD is also called Solid State Drive, SSD is a storage device. It is similar to a hard disk, but its storage capacity is much higher than a hard disk. It does not have a motor or a spinning disk like a hard disk. It uses the integrated circuit as a memory to store data. SSD is made of semiconductor just like RAM but it is a permanent storage. In which you can store data permanently. Just as the pen drive and memory card store the data, in the same way SSD also stores the data, in a way it can be said that SSD is a short form of pen drive. Is
An SSD does not have a mechanical arm, so an embedded processor (or brain), also called Controller, is used to read and write data, with the help of which a lot of work such as reading and writing of data is done.  The controller is used to find the speed of SSD. Whatever decision it takes to store, retrieve, cache and clean up the data, all these things determine the overall speed of the drive. A good controller is the real identity of a good SSD, SSD is plastic or else it is encased in a metal case, it looks like a battery.
The form factor of SSD is similar to that of a regular hard drive, its standard size is 1.8 ", 2.5", and 3.5 "size which easily fit into the housing and connectors.
Features of Solid State Drive (SSD)
1>Speed: The biggest feature of SSD is that it can read data at a much faster speed than HDD. Due to the high speed, its access time is also very short.

2>Shock resistant: It is resistant to physical shock. It does not deteriorate even if it gets jerked or falls down fast.

3>Low Power Consumption: It reduces power consumption very much compared to HDD. And it gives better performance in less power.

4>Long life: There is no moving part or mechanical part in it. This is why it has a long life.

Solid State Drive (SSD) functions
High price rate and low storage: The biggest drawback is that it is very expensive. As much as 1TB HDD can be purchased for that price, only 256 GB SSD will be available at that price. This is a new technology that is why it is not available in high storage right now.
Types of SSD:
There are many types of SSDs which have been divided according to their connectivity and speed, which is something like this.

1)      SATA SSD:
This type of SSD is similar in appearance to a laptop Hard Drive that supports simple SATA connectors in much the same way as a Hard Disk. This is the simplest form factor of SSD that you can identify by looking at it. Firstly similar SSDs came in the market and still runs. Such SSDs can be used in any PC running nowadays.

 mSATA micro SATA SSD is different from normal SATA SSD both in connectivity and form factor. It is very small in size and quite different in appearance from normal SSD, it looks like a normal RAM stick. And speaking of its connectivity, it cannot be used in every PC. To use it, it is very important to have your PC mSATA port. Such SSDs are used in laptops.
3) M.2 SSD:
Such SSDs are similar in appearance to mSATA but this is its updated version which is faster than mSATA but despite being small, it supports both types of connectivity it You can also connect to a normal SATA cable and to mSATA, mSATA is just like a PCI-E express port, but it is a little smaller and specially used to connect such SSDs.
4) SSHD:
SSHD cannot be called a complete SSD because it is made up of both Solid State Drive and Hard Disk. It has some memory of SSD and some Hard Disk, it is the thing between both Hard Disk and SSD. Used in today's laptops.
How does SSD work?

As you know, there is a magnetic disk in the Hard Disk, with the help of rotation, the data transfer and access to the Hard Disk is known. But in SSD this does not happen, all the work is done by semiconductor, it takes many chips, just like RAM and because the semiconductor communicates better than the magnet, so it is so fast.

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