Ask Us: What does a card's class rating mean?

There are a lot of numbers bandied about on your memory card, but what do class 2, 4 or 6 mean and which is better?

There are a lot of numbers bandied about on your memory card, but what do class 2, 4 or 6 mean and which is better?

For more answers to commonly asked questions from readers, see our Ask Us video archive.

 

Join the discussion

Conversation powered by Livefyre

Don't Miss
Hot Products
Trending on CNET

HOT ON CNET

How well do you know your surge protector?

Whether you're looking to add more outlets, or want to add a layer of protection between your gear and the outside world, here's what you need to know.