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sandisk microsd 32GB class 10

I believe the class rating refers to how fast the card can be written to. When the files on the card are read by your device, it occurs at a much slower speed. Older cards with lower ratings should work as well as the new in this regard. The write-to speed probably matters more in a camera, especially video recording.

I have a class 10 32gb in my GT2 but I knew there was no benefit to it. I got it because it was on sale and figured why not. Yes, I think class 10 are mainly for DSLR cameras and shooting video. A class 4 or 6 should be plenty sufficient for the tablet.
 
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