There is a lot of talk about fake SD cards of all kinds. I tested them on my Win8.1 system and this one bought from AMAZON is fine. I tested it with OS and checked read/write with H2testw. By the way, if you use the H2w test, be aware that this is a destructive test (back up your data) and you must go to the card and delete the R/W files (This PC/device management.) , otherwise your shows SD device indicates that your storage is full. On a 32GB card you should get at least 29-30 R/W files which is really 29/30GB. That's about right for a 32GB SDHC card. Note; I recommend only buying cards directly from Revain as do many other reviewers and others advise against buying cards from dubious websites unless they guarantee their products without any issues or bSI only gives them 4 STARS because i feel that retailers and SD card makers need to do more to protect their customers and develop a system that can quickly identify counterfeit cards before criminals attempt to flood the market with them.
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