I don’t know what special card reader she needs so that she gives out full speed, but I think that in most cases devices will also work below the declared characteristics. Has some pros: The map is like a map. I was attracted by the price at the declared speed class. Got cons: CrystalDiskMark 3.0.2 delivers speeds Read : 4.426 MB/s Write : 4.238 MB/s ATTO DiskMark Read : 4.39 MB/s Write : 4.7 MB/s The card does not hold up to its class :(
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