Of course.. both graphiccards works in 16x PCIe to the NF200.
The Intel 1156 socket cpu allows only 16x one times, ..

The NF200 Chip combines the information form both cards, and give one 16x signal to the cpu, including the information 16x/16x because the PCIe to NF200 is working like that.

yeah most people dont make it past 3.6 ghz on just air if you are wanting to stay at 4 or higher then water is the way to go. or you can back it down to 3.6  not have to spend the money on a new cooler. Plus you can also check your thermal paste out and make sure it is applied correctly. I use artic silver and apply it per there instructions

http://www.arcticsilver.com/pdf/appmeth/int/vl/intel_app_method_vertical_line_v1.1.pdf

Thanks for all the amazing info ,guys! The EVGA forum is the best!Well ,after 2 weeks of experimenting ,it would seem that the Coolermaster Hyper 212 with Push/Pull ,just is not cutting it.I did a massive clean up of my cables, and really  neatened up,but My temps when OC'd just wont do. At stock clocks ,my idle ambient and   cpu temps are 23* c . Even at 3.5 ghz,my(idle) temps shot up to high 30's low 40's.  I think the 1.4 vcore is too dangerous ,especially for me.I am going to pick up a H-50 immd. Should I expect a difference from my air setup?  I know the 212 is the best budget air cooler .

Just a Little up date to the oc on the first page if you guys wish to run with Hyperthreading turned on just bump the cpu volts up to 1.375 and the vtt up to 1.375 and your good to go I will also post this on the first page.

ok thats retarded you dont need ce1 support on ( its pointless when ocing) and you want vdroop off b/c when you are ocing why in the hell do you want your voltage to drop ??? lol and im running pcie at 104 b/c with 3 275 gtx in sli and oced also it tends to help with my over clock. And the lower your QPI the better.....

like you have said your self some systems are the same and some are different.

Although a small change to the multiplier has a larger proportional effect on your systems speed than increasing the front side bus a considerable amount, the actual preformance advantage of increasing the CPU multiplier is not so simple. As the multiplier purely effects the processor’s performance, the performance gained by increasing it is not felt system-wide, as is the case with overclocking the FSB. It merely enables the processor to do more work per second. In fact, it may well serve you better to decrease the CPU multiplier in order to overclock the FSB to a higher frequency than would otherwise be possible. This is something to consider if you have high-quality memory that is rated for greater speeds than the FSB of your computer requires. Many memory producers make DDR memory that is capable of running at much higher frequencies than modern computers normally use, specifically for overclocking purposes.  

The option for changing themultiplier is found in the bios in the same location as the FSB options, generally the ‘frequency\voltage control’ section.Raise the multiplier only a step at first, in concert with overclocking the FSB. Find the maximum stable speed you can achieve, then benchmark. If you have high-spec memory, consider lowering the multiplier and increasing the FSB, then compare the new set of benchmarks to the previous ones

This is quoted from :

http://www.pctipsbox.com/changing-the-cpu-multiplier/  
 
You can also check this artical out too really good info!!!!
 
http://www.xbitlabs.com/articles/cpu/display/core_i7_875k-core_i5_655K_4.html
 

So glad I could help so many people!!!! VIEWS: 10283  and counting!!!!!!!!!!!!