I've been reading all around and still don't have clarity as to how to configure my RAM sticks in their slots. My confusion is because posters Optiplex Memory upgrade - which slots to use. From the page you linked to, go to CPU / Memory / Support & Downloads, select the manual. On the fourth page it shows the numbering of the. With the asrock z68 extreme3 gen3 spitzerdorf-schulauer-mgv.de aspx?Item=N82E if im using 2 4GB MHz.
Which ram slots to use Video