What size and speed class of micro SD card is best?

[Third]

32 or 64Gb? Class 4, 6 or 10? My tablet is M7 pro.

[babyboy3265]

32 or 64Gb? Class 4, 6 or 10? My tablet is M7 pro.

I recently purchased a 32GB class 10 and it is pretty fast and reliable i must admit.
64GB i think is not supported, and if it is itll most likely be quite slow.

[Third]

Ok. Will go for 32Gb Class10. Thanks!