hello, first let me start with my system specs:c1: GTX 680 SC version GTX 680 NORMAL version 8 GB vengeance Ram asus p8z86 deluxe gen3 mobo 850w zelman PSU. 2600k i7 overclocked to 4.3 Ghz. water cooled playing games on zr2740w playing games on 2560x1440. ssd for gamming 2 tb hdd for storage i play fps games mostly BF3 on ultra setting which are as fallows : 1) every thing on ULTA. 2) AA off. 3) MSAA on x4 4) motion blur : OFF 5) vsync : off. 6) antisotopic filter: x16. 7) AA post : off. 8) AO: HBAO. now im getting LOW FPS when i play bf3 or any other games. my friend who has just 1 gtx670 has the same FPS as me even when i am on SLI :3eyes: today i tried playing on LOWEST setting still i only get 5 FPS improvement over the ultra :bang: evry thing low all AA off.. when i check my GPU load both cards are on 55ish % and never go high then that may be in the mid 60ths% some times...then y am i getting low FPS?? temps are normal. i overclocked my GPU to 4.3 GHz still no improvement...nvidia control panel is at normal setting. i have checked the cards they are in slots the rite way the sli bridge is fine and sli mode is on. just want to improve my FPS, please help. regards.