I do not know why in some it when reading and writing no more than 25 MB / s on average, might have to not even plugged into the USB 3.0 post or knowledge is not, you have none at all.
With me repays it works as it should and I'm very happy, it can recommend the sets not on high-speed write and read rates, but it still faster than USB 2.0 will have.
PS: If I have a USB flash drive for TV recordings or DETERMINED to often and much to move large amounts of data to me, I'll get my permit significantly higher transfer rates and high quality USB flash drives are as such in the low price segment. Should any consciousness.