Hi,
Thank you very much for your suggestions.
One more thing:
GeForce 840M 2GB and GeForce GT 840M 2GB is the same, right? (with and without GT?)
In that case I have come across this one:
http://www.amazon.de/Lenovo-Notebook-GeForce-Betriebssystem-schwarz/dp/B00KCJAIMO/
The same as first one...