ADATA Premier 256 GB MicroSDXC UHS-I Class 10

There is little to no quality control on this card. I bought 4 originally, 3 of which had various problems (of which one didn't even register). The memory transfer rates are sporadic and unreliable. I have copied files to it and it said everything was good but the destination was corrupted. I isolated this by moving it to a completely different computer with the exact same results. The flash drives were of similar issues and thus I have given up on Adata memory. Your experience may vary.

If you need it for quick transfers or data movement it works very well. Overall it's cheap and you et what you pay for period. Don't be cheap with your important data, like me!

Got this for my switch and it works perfectly with plenty of space, without having to pay for the name brand.

Nothing out of the ordinary, packaged well. Using in my Samsung s8, no issues

Do you waste you time on this card, I have had it 10 months of if finally dead, it would lose data and need to be reformatted every few months.