I took today 64 gigabytes for 1590. I took, as they say, on emotions, I didn’t read reviews, when I read it, I was a little disappointed. Well, what can I say . the recording is happening, in my opinion, a little strange, it will record 60 meters - it will stop and think for five seconds, another 60 - it will think a little again. Apparently, the controller works this way, I didn’t notice this on my other flash drives. The write speed in the headlight gives numbers from 15 to 20 MB / s. In princSee full review