You could levy the same criticism against any external component. It should go without saying that you won’t realize speed gains by upgrading your SD card if th

You could levy the same criticism against any external component. It should go without saying that you won’t realize speed gains by upgrading your SD card if the SD card is not the bottleneck. That said, 800mbps is plenty fast for watching video, as long as each second of the video is less than 800mb. Or maybe I’m misunderstanding you?