is a 800 watt brozne cerfied psu enough for a gtx 660 non ti sli with fx 8320 @ 4.00ghz and 9800 gtx+ physx card ? i do have a h80i a few fans 1866mhz 16gb ram installed as well,i want know because a phsyx card will take the strain off the 660s for some games but i dont want to kill my psu in the long run the only reason I am running 660 sli is because i got the second cheap and willing to wait for the 770 to drop or just til black friday