For mechanics themselves:
The card could be used only with great difficulty in the tested notebook, a Lenovo 3000 N500. A twist of the USB card was the problem. After gentle counterbending it was better. Nevertheless, the card is very tight in the notebook. The card itself includes in this notebook (have no possibility of comparison) not flush with the casing of the notebook, but ends shortly before the laptop. I think that's not bad, quite the contrary. So it is somewhat protected.
All in all a recommended product!