I love these for general use and you cannot beat the price. I mostly use them for testing new devices or camera's I buy. They are a too small for most uses but work great when you just need to have an SD card to put in something even temporarily. They have been true to their specs on speed and I have had no problems out of them so far. I liked the packaging because they keep the extras safe and secure instead of just sitting loose. I will be using this brand more in the near future.