I have a Class 10 64GB Micro SD card that we got for a GoPro that has the SD Adapter. My question is, would that be fine to run in my G20? I don't see why it wouldn't, but I figured I would ask you guys and see if any of you have done it. I have a couple 32GB cards as well but I was hoping to be able to run the 64GB as well since we aren't using it. In fact, it has never been used.