new build cable management (pic)

Do you have any more space to fit cables in back? Also you have a modular PSU. Try to hook up similar devices on one line (like all SATA devices on one SATA power line) and take out the extras.

One more thing, You might want to flip your fans around in your CPU cooler. I think they are blowing to the front of the case.
 
My suggestion would be to take out all the cables and start over like its a new build. Route one cable at a time, zip tying the crap out of it every step of the way. Get as most of the cable out the back as you can.

Curious, why not another fan blowing out the back?
 
That case is set up for front to back airflow so you want the CPU cooler to push/pull air out the back of the case to get the hot air out.

With your current setup it comes in the front and goes over the GPUs. the air that is taken in by them is exhausted out the back of the case. the air that is taken by the CPU cooler is pushed towards the front of the case but not out of it. Some will get taken out with your top exhaust fans but not in the same way that it would if you flipped the fans. Plus you are running hot air over your RAM instead of pulling in cold air over your RAM and then through your CPU cooler then out your top and back exhaust fans. It probably won't make a huge difference in cooling your CPU but you will have better case temps.
 
Im an idiot. They were setup to exhaust out the back. Looks good so far. Good temps. Thats makes sense, airflow from front to back. That silver arrow destroys the h60 in cooling and its quieter... than a water cooler. Do u guys have any ideas if i i can an extra gpu fan somewhere? For some dumb reason, gigabyte desgned this board in a way where you have no chpice to smush the gpus together to use two pcie 16 lanes.
 
For the top GPU, no, you're not gonna get better airflow out of it. You could possibly add a smallish fan at the back and below your GPU, and take the grates off the expansion slots so any hot air that gets trapped down there has a place to exit.
 
Not an idiot at all. You mounted it in the opposite direction than it was manufactured so that you can fit it on your motherboard with your RAM.

Try the fourth PCI Express x16 slot. In the specs for your motherboard it says 2 @ x16 or 4 @ x8 so if I understand that correctly you can still get x16 x16 as long as you only have 2 out of the 4 PCI Express lanes populated.

So 1 6990 in slot one and the 2nd 6990 in slot 4. That should give you the space you need for cooling and still give off the same performance. Might want to benchmark to be sure.
 
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