Excerpt: I bought this product because I have had good experiences with SanDisk cards in the past, but these cards were really bad. I bought five of them, and none of them worked properly with my cameras.
Summary: I purchased this as a extra memory card for my camera to use while on vacation in February. I took a number pictures with it But when I tried to take a movie about 30sec into the movie the camera shows an err message (MOTION RECORDING WAS CANCELED DUE TO LIMITATIONS OF THE WRITING SPEED OF THE...
Pros: Lot of memory -- good price
Cons: Transfer speed was not an issue at purchase - should have been .
Summary: Perhaps my lack of understanding caused the problem, but this does not work in my camera. I assumed all SD cards that were the same size worked in all products. My camera is a few years old and is not compatible with this format. It was a great price on a card that won't work for me.