Excerpt: use in GoPro hero 4 Black, records in 4k 30fps (stated write speed is 60MB/s, which is enough for 4k in GoPro) even the sandisk extreme plus, max write speed is 50MB/s even though its UHS 3 class(which is weird because the sandisk card is listed as a gopro suggested one..
Excerpt: This is used in a quadcoptor for storage of video. It works well for the storage and the adapter works well in the reader too. It feels a little delicate over some memory but I've had no problems with them so far
Excerpt: It's overkill for an audio recorder, but you need a fast card like this if you are going to record video on the gopro hero4 black. I intend to have it for the audio recorder and as a backup for the gopro.