This is a
*BUYER BEWARE*
1) the pictures of the cards are photoshopped. Original markings on card are SD
XC NOT SD
HC. Also, they grabbed a 32GB card and slapped 64GB marking over it. Inconsistent markings on the cards to say the least. The pic of the carded SD is probably original, but notice how they make it unclear so buyer can't tell.
Very deceptive on all counts.
2) The maximum capacity is 32GB for SDHC. That is the limitation for these cards (by the SD Association).
3) Someone is trying to pull the shirt over someone's eyes. And putting great effort to disguise it. That, and the price (as state previously) is too good to be true. So be very careful.
It is (absolutely sure) a guaranteed rip-off generic with unknown components and may well be unreliable.