In the present-day majority of the peoples uses SD card. But you really know which SD card we have to buy? There are same category of SD card having different prices. Lets learn about the topic mentioned in below.
What is an SD card?
- It is used for storing the data.
- It is a type of memory card typically used in digital cameras, storage device, photos, videos, files, smartphones, laptops, ipod, bluetooth speakers, etc.
- It is a portable device which you can easily carried and moved one placed to another.
Who developed SD card?
- Secure Digital Card, abbreviated as SD card, was first developed by Fujio Masuoka at Toshiba in 1980 and commercialized by Toshiba in 1987.
SD Card Capacity
There are mainly four SD card capacity:
1.SDSC
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| Sandisk SDSC Card |
- SDSC abbreviated as Secure Digital Standard Capacity having SD logo.
- This card defines with a maximum capacity of up to 2GB.
- Its buying cost around 200 to 300 rupees.
2.SDHC
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| Sandisk SDHC Card |
- SDHC abbreviated as Secure Digital High Capacity having SDHC logo.
- This card defines with a maximum capacity of 2GB upto 32GB.
- Its buying cost is more than SDSC around 300 to 500 rupees depending upon Class 2, Class 4, UHS-I, UHS-II, UHS-III.
3.SDXC
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| Sandisk SDXC Card |
- SDXC abbreviated as Secure Digital eXtended Capacity having SDXC logo.
- This card defines with a maximum capacity of 32GB upto 2TB.
- Its buying cost is approx above 500 rupees.
4. SDUC
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| Sandisk SDXC Card |
- SDUC abbreviated as Secure Digital Ultra Capacity having SDUC logo.
- This card defines with a maximum capacity of 2TB upto 128TB.
- It is the most expensive then others.
SD Card Class
Class 2
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| Sandisk SDHC Class 2 Card |
- It gives the data transfer speed range of 2mbps.
- It doesn't have UHS Speed Class, Video Speed Class.
- It also transfer files, music, etc.
- It support SD video format.
Class 4
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| Sandisk SDHC Class 4 Card |
- It gives the data transfer speed range of 4mbps.
- It doesn't have UHS Speed Class, Video Speed Class.
- It support SD as well as HD/Full HD video format.
Class 6
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| Strontium SDHC Class 6 Card |
- It gives the data transfer speed range of 6mbps.
- It doesn't have UHS Speed Class and Video Speed Class "V6".
- It support SD, HD/Full HD, 4K recording video format.
Class 10
- It gives the data transfer speed range of 10mbps.
- It support UHS-I Speed Class and Video Speed Class "V10".
- It support SD, HD/Full HD, 4K recording video format.
Why we want to purchase Class-2, Class-4, Class-6, Class-10?
- In smartphone we have run any class SD card like Class-2, Class-4,etc.
- But we have to use DSLR, we want to record HD,4K recording then Class-10 SD card is more suitable.
- If we want to record full-HD video recording in smartphone then we have to buy Class-4 or Class-6 or Class 10 SD card.
- The Class-2 SD card is not working properly in full-HD video recording.
UHS
UHS abbreviated as Ultra High Speed.
UHS 1 = Ultra High Speed 1
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| Sandisk SDXC UHS1 Card |
- It gives the data transfer speed range of 50MB/s to 104MB/s.
UHS 2 = Ultra High Speed 2
- It gives the data transfer speed range of 156MB/s to 312MB/s.
UHS 3 = Ultra High Speed 3
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| Sandisk SDXC UHS3 Card |
- It gives the data transfer speed range of 312MB/s to 624MB/s.
Note: UHS1 and UHS 3 also used for recording 4k videos.
In the end, whenever you want to purchase the SD card you very well known about it How to purchase.
and you understand all knowledge regarding about SD cards, why it is so expensive in different different variants.
We hope this article will help you all the knowledge perspect regarding SD card.
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