You may have been wondering what all those single digit number inside a circle indicate on your memory card. The simple answer is that they indicate the class of the memory card. A class of the memory card is basically a measure for its speed.
Different classes are listed below along with their read/write speed:
|
Image |
Class |
Transfer Speed |
|
|
2 |
2 MB/s |
|
|
4 |
4 MB/s |
|
|
6 |
6 MB/s |
|
|
10 |
10 MB/s |
A class 10 card is usually the most expensive ones. On average a 16 GB class 10 card costs you around Rs. 1,200