R9 270x Toxic CrossFire Cooling solutions

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Toonster17

Toonster17

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Aug 27, 2013
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Hello everyone, I recently put together my new set-up which included an i7 4790k and R9 270x in CrossFire mode. I thought the temps would be fine with these cards in CF because a single on runs at about 50°C at full load. In CF they run at +-70°C, but the noise is unbearable.

Any easy cooling solutions, excluding water cooling? I'm going to put a fan on my side panel first of all and sort out some of my cable management to see if I can tone down some degrees.

Build:

-CPU: i7 4790k
-CPU cooler: Coolermaster 212 Evo
-GPU: R9 270x (CF)
-Mobo: MSI Z97 Mpower
-PSU: Corsair RM 750
-Case: Coolermaster HAF 912

Thanks in advance.
 
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Toonster17
So I guess this thread can be closed now, I'll just post all the steps I took in improving my temps:

- Improved airflow: 200mm front, 140mm side, 120mm back, 2x120mm top
- Applied my own thermal paste
- Switched both gpu's around
- Underclocked my gpu's: Mem 1500->1350 / Core 1150->1050 (about 2/3 fps loss)
- Undervolted both gpu's -7%, this was the lowest I could get to because 8% causes BSOD's

Thank you everyone for your input!
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Toonster17

Toonster17

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Aug 27, 2013
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Just had a look at the cards themselves and sadly enough it doesn't look like I can put on a fresh layer of thermal paste. In the next couple days I'm getting myself about 4 new casefans for rear, side and 2x cpu. Thinking about some Be Quiet!'s. I'm pretty astonished be these temps tbh. I saw a review of the CF 270x's with a max temp of about 56°C although they didn't state which case they were using. Can a case really make such a difference?
 
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Gam3r01

Gam3r01

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Jan 12, 2013
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The case itself not so much, just the way its arranged. Cables can block airflow, stagnant hot air can warm graphics cards, and poor flow keeps it there.

If the case is set up right, there are no cables in the way, more cool positive pressure coming into the case (Usually front, bottom, sides) and the hot air is thus forced out of the exhaust (again, top and back) it leads to better cooling. My GPUs temps dropped about 3C in my case when I went from an EVO to an H100i. It vents right out of the case, even though my evo vented straight into an exhaust fan.
 
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Toonster17

Toonster17

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Aug 27, 2013
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I just ran some GPU benchmarks with a single card and even this one got up to about 65°C with an rpm of 1600 so I'm going to do some serious cable management today because this temp is way higher than usual.
 
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Toonster17

Toonster17

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Aug 27, 2013
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Update: Got myself a trivial 120mm casefan from Antec and put it on the side panel, blowing cold air towards the graphic cards. Didn't seem to be much of a difference. Also cleaned out my cables a little bit. Temperatures still around 65°C with fans at a constant 2600rpm.
 
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Toonster17

Toonster17

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Aug 27, 2013
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That's exactly how I have mine set up, but I think my case just has bad airflow meaning that my front intake just doesn't offer enough. Also I have noticed that I start out with my gpu's at 43°C idle, but when having been under load they return to 46°C idle. Not enough cold air being supplied or bad exhaust?
 
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Toonster17

Toonster17

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Aug 27, 2013
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I now have 3x120mm Corsair AF 120 performance installed, 1 in the rear and 2 on top (exhaust), another 140mm AF on my side panel and the stock 200mm MegaFlow from CM in the front but my temps are still not that great. Top card hovers between 74-76 with the fans at 45% which is still really loud so now i'm thinking it's case itself. Should I invest in a new case?
 
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Toonster17

Toonster17

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Aug 27, 2013
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Little update on this: Applied my own thermal paste on both gpu's (some Arctic Silver) and switched both gpu's around. Temps of the top card at idle dropped from 43 to 36 and my bottom gpu is now idling at 24. When benching top reached 64°C with 40% fan speed.
 
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Toonster17

Toonster17

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Aug 27, 2013
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So I guess this thread can be closed now, I'll just post all the steps I took in improving my temps:

- Improved airflow: 200mm front, 140mm side, 120mm back, 2x120mm top
- Applied my own thermal paste
- Switched both gpu's around
- Underclocked my gpu's: Mem 1500->1350 / Core 1150->1050 (about 2/3 fps loss)
- Undervolted both gpu's -7%, this was the lowest I could get to because 8% causes BSOD's

Thank you everyone for your input!
 
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