I just previously in the network asked which card to take. Sandisk or Lexar. After a detailed review, I have decided for Lexar. Have not been disappointed so far. I even ordered two tickets because I did not suffice the 64GB. But until now I have 4 days that not even fully get a card with a city tour. Films in 4K but works wonderfully. Card had no dropouts or the like. Really everything top.