What is an SD card? types of Secure Digital Card

Whenever you get a memory card. You must check that there is something written in the sd card.  Now in such a situation, what you would have written in the sd card you have taken, you can read it, but it will be a bit difficult for you to know what it means. But we will make this asana for you. So let’s now know about the type of SD card.

There are many types of SD Card Types.

There are three types of SD cards. The first is the normal SD card (SDSC), the second SDHC and the third SDXC. So let’s know about these three types one by one in detail.

1. SDSC Card (Secure Digital Standard Capacity) :

SDSC card is also called as normal memory card or SD card. Which is mostly used in mobile devices.  The maximum storage for this type of memory card is from 128Mb to 4GB. That is, all SD cards from 128Mb to 4GB are called normal SD cards.

2. SDHC Card (Secure Digital High Capacity) :

This is the second type of memory card. SDHC which stands for Secure Digital High Capacity and means that this type of memory card has more storage capacity than the storage capacity of a normal memory card. That is, SDHC capacity varies from 4GB to 32GB. That is, if you have any of the memory cards sold from 4GB to 32GB, then that is SDHC grade memory card.

3. SDXC Card (Secure Digital Extended Capacity) :

This is the third type of memory card. SDXC which is a bit expensive and has storage from 64GB to 2TB, ie if you have a memory card. And if that memory card is between 64GB to 2TB, then that SD card is SDXC type memory card.

What is a class in SD Card

Now you have known about the types of memory cards, which are the types of them, after which the SD card is the most important class. That is, it is very important to know which class of SD card you have.

In SD card, class means speed, that is, reading of SD card. And what is the speed of writing, in simple language, say how long it takes to store any data in your memory card or at what speed does it go when sending data from your memory card. It all depends on the class of the memory card, for example if your memory card is of class 2, its read and write speed will be 2mbps. If he is of class 4, 6, 10 then his speed will be 4mbps, 6mbps or 10mbps.

The Class 10 SD card is followed by UHS 1, UHS 3 which means Ultra High Speed. That is, if you want the speed of your memory card or SD card to be more than 10mbps, then you can take the memory card of UHS1, UHS3 type class. These memory cards are mostly used in 4K cameras.

How to find out which SD card belongs to which class?

Now you have come to know about the types and classes of SD card. Now you may be wondering how do we know which memory card we have. So for this, how do you know by what type it is written in memory card or SD card and which class it belongs to. You can understand by looking in the photo below.

Tips for you: If you ever buy a memory card from now on. Or if you take, then definitely look at the class and category. This will let you know whether that memory card is cheap or expensive , good quality or bad.

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