After I ordered my GoPro Hero 3 Black  I started searching for a good MicroSD card and everywhere I looked they wanted like $80for a 64GB  and digging around on eBay get's retarded at times  then by chance I found this one for $55 TTD  and the performance is awesomeI tell you all if you are in the market for a GoPro Hero3 Black  get this card to go with it  you wont be sorry....