Knowledge is power. Before you buy a pair of shoes, you need to know your shoe size. Before putting together new furniture, you should read the instructions. And you definitely need to make sure anyone who watches your children is a responsible, attentive adult.
So why would you buy an SD memory card without knowing what the various speed classes mean and the best uses for each class? Choosing the correct SD memory card for a given application or device is essential to getting the most out of the card, and ensuring that you do not end up with a card that doesn’t reach its full potential or doesn’t work as well for you. This is even more important since the SD Association released a new set of Video Speed Classes to help users get the best quality video recordings and playback.
Read the full guide at the SD Association website here.