Hi, I just bought an A119 and i do a lot of research. every post i saw, said Lexar 633x is good, but it's pricey. They all liked transcend 32 gb endurance class 10. it has the 1 in the little U on it. the transcends are really good and have the better price. they said 32 because if you start getting into more gb, the price goes way up. was it a dealer that sells a119's said replace the card every 6 months to a year because they get worn out being rewritten over and over. they said not to buy off ebay or amazon because going thru a third party, you can get a counterfeit and the guy said counterfeit cards are all over the place. i did see where someone did get a counterfeit card sent to him. i ordered the transcend and i think i'm switching to them for all my stuff. sandisks are not reliable i've seen. walmart carries that and pny. big red flag there.