I've been using a Sandisk Extreme 64GB card in my GoPro daily for months without an issue. I've had maybe one or two videos in that whole time that had any issu

I've been using a Sandisk Extreme 64GB card in my GoPro daily for months without an issue. I've had maybe one or two videos in that whole time that had any issue at all, and even then, VLC was able to play everything other than a second or two around the problem.