I bought the adapter to use it on a Samsung ATIV7 laptop. Again, there is a SD slot in which protrudes a normal card and the SD cover does not close. With the adapter, and a 64GB Ultra micro SD card even the SD card cover of the laptop can be closed again.
The function is given. The speed is about 35MB / second read and 22MB approx / sec while writing!
Sunny greetings