OD Extreme use Gsync use fps 176 limit on game not in nvidia control panel to avoid input lag those my settings on pg248q on pg258q same but 236 fps my color settings on pg248q brightness 35 contrast 49 color temp usermode R 100 G 92 B 66 Gamma 1.8 best settings ever if you cant handle the speed of the monitor change OD to normal but OD extreme give you the best fastness you ever dream on you need to control it cause its hard