A:AnswerIt is a standard card. The only difference between it and a lower model is the data transfer rate. If anything it'll be better for your tablet as it'll save faster.
A:AnswerI bought one for my nook because I was maxing out my memory. It did nothing for what is already in my memory. I was unable to transfer pre-existing files, but it works for downloading new video only. my nook is a little older and maybe the newer models are more efficient.
A:Answerthe memory card options available to you are limited by the device you are using it in. Each device has a discrete set of compatible card choices. Check your device carefully, as many cameras have multiple memory card slots, giving you more options of what cards you can use.