So I came across a hp compaq 8200 elite cmt. I kno it takes tha same ddr3 ram types as my optiplex 3020 sff.... wit that bein said I only got a i3 cpu in my optiplex but tha hp 8200 has a i5 cpu in it... my question is this can I take that out if tha hp and put it in ma optiplex???