MicroSD Card : What is Class in MicroSD Card ??

In the SD Card SD stands for Secure Digital. Everybody very much aware about the what is MicroSD card or memory card ? Generally people used to store data in memory card. But there are more things to know about memory card like what is data transfer speed  ? what is class of memory ? why it is known as SD Card ? what are the types of memory card ?



Association named Secure Digital Association (SDA) has authority to categorize  memory cards. There are mainly 4 categories of memory card

• Class - 2
• Class - 4
• Class - 6
• Class - 10

You are thinking why this way memory card categorize. but the 2,4,6,10 are the Minimum speed of data transfer. The category of memory card must be written on the memory card. you can find this kind of print in your memory.

	Approx. read-write speed of 2 MBPS.
	Approx. read-write speed of 4 MBPS.
	Approx. read-write speed of 6 MBPS.
	Approx. read-write speed of 10 MBPS.

As technology moves forward devices such as Digital Cameras and Digital Video Recorders are requiring higher specification memory cards. Manufacturers of these host devices are now starting to stipulate the appropriate speed rating class to achieve the best performance. Having this information readily available and in an easy to understand format is definitely a great step forward and will save us all a lot of time researching what is the best memory card for my Camera!