What is the difference in SD card classes?

Related questions

1. Which is better SanDisk Ultra or extreme?
2. What does u3 mean on SD cards?
3. Which is faster USB 3.0 or SD card?
4. What is a Class 4 Micro SD card?
5. Is a USB flash drive faster than a SD card?
6. What do classes mean on SD cards?
7. Is SDXC faster than SDHC?
8. Which is faster u1 or u3?
9. Is SDHC faster than Sdxc?
10. Which is Better Class 1 or Class 10 SD card?

Tags

1. #while
2. #system
3. #exfat
4. #between
5. #affects
6. #handle
7. #amount
8. #capacity
9. #cards
10. #storage
11. #range
12. #their
13. #difference
14. #thanks
15. #which
16. #called
17. #pushes