Now have the card tested several times ... and can only report good. Is immediately recognized in all my cameras, Nikon D600 + D800 + D610. The storage rate in the camera are top, when reading I suppose NEN Kingston Media Reader USB 3.0 and am thrilled ... top NEN have taken benchmark .... write 43 - 89 raed what more could you want? ? Top card for top price at the moment at Amazon ... tip ,, Kaufen`` :-)