Best 2.5 inch ssd for laptops and desktops pc in 2020
Best HDD for Desktops/pc:
What is SSD (Solid State Drive)
If you do not know about SSD, then let me tell you that SSD has full form Solid State Drive. It is also a memory device, just like Pen drive, it only has a little more space and it is a slightly more sophisticated device. It has no moving parts like the Memory Stick. Here the data is stored in a microchip. Where a Hard Disk has information read with the help of a mechanical arm which has a read/write head from the correct location in the storage platter. This difference makes SSD much faster. For example, if I say that if you have to bring a book from a room, then for this you will have to search around the room first and then bring it when you get it. Similarly, if the book is already in front of you and if you bring it quickly when told, how will you feel. SSD works just like this, for which it is much faster than HDD.
SSD uses NAND-based Flash memory. It is a non-volatile memory. Now non-volatile means that whenever you close the disk, it will not forget the things that are stored in it. Meaning there is no memory loss. Yes, it is definitely a very big and essential feature of permanent memory.
When the first SSD first came in the market for the first time, people did not have so much faith in it. But now this technology is being used by the people in very loud tones. And in this SSD has more longivity than HDD.
An SSD does not have a mechanical arm, so an embedded processor (or brain), also called a 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. is. The controller is used to find the speed of SSD. Whatever decision it takes to store, retrive, cache and clean up the data, all these things determine the overall speed of the drive.
I would like to say one thing here that a good controller is the real identity of a good SSD. You must be wondering now what this SSD will look like. So let me tell you that in this its technology is encased in plastic or metal case. It looks like a battery.
The form factor of SSD is similar to a regular hard drive. Its standard size is 1.8 “, 2.5”, and 3.5 “size which is easily fit into housing and connectors like its hard drive. For their standard size, SATA is used according to the connector. Apart from this, there are other SATA like mini-SATA which are smaller in size, and hence they are also called mini-SATA (mSATA) and it can be easily installed in the mini-PCI Express slot which is used in the laptop. goes.
What is HDD?
HDD has full form Hard Disk Drive. HDDs were first introduced by IBM in 1956. You might be surprised by this, but it is true that this technology is 60 years old. An HDD uses magnetism to store data. A read/write head floats over the spinning platter to write the data and read the data. The sooner this rotating platter rotates, the sooner the HDD can perform. In today’s Dor, a typical laptop drive rotates at 5400 RPM (Revolutions per minute) or 7200 RPM, while some spin up to 15,000 RPM.
One of the biggest advantages of using HDD is that you can keep a lot of data in it at a very low price. Nowadays, 1 TB storage is very common, and gradually its number is increasing day by day. HDD has become the first choice of people today due to it being cheaper than SSD. Because if compared, SSD is 3 to 4 times more expensive than HDD.
If we talk about the appearance of HDD, then it looks very similar to SSD from outside. SATA is used in HDD. The common size of laptop hard drives is 2.5 ”form factor while the desktop hard drive size is slightly larger, around 3.5” form factor. The higher the size of the platter, the greater will be the storage capacity. Some desktop hard drives can store data up to 6TB. Also Read: Best Printers Under 15000 in India
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