Hello Barmen_1371,
In this case, your computer manufacturer determine the processors compatible with your motherboard, at this point I strongly recommend contacting Lenovo as they are more familiar with your system and how all the components interact with each other.
You should get support here:
http://support.lenovo.com/cr/en/ http://support.lenovo.com/cr/en/
NOTE: This link is being offered for your convenience and should not be viewed as an endorsement by Intel of the content, products, or services offered there.
Best regards,
Ivan.
