Just received this card, it’s always fun to try out weird asian brands. And to my suprise, it is really fast.
38MB/s Write. 86MB/s Read according to Black Magic Disk Speed Tester.
No problem filming 4K 30fps Protune on a GoPro Hero 4 Black Adventure edition as well as doing 4K 30fps 100Mbit on the Sony A7s II using a MicroSD to SD adapter.