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post #2591 of 2693
Darylrese,

Which way is the cpu radiator fan pointing? Before you go buying stuff, maybe you can just observe the cooling system as a whole and figure out a way to just move some stuff around and lower the temps a bit.
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post #2592 of 2693
Looking at his photos I would say he is using H100 pulling from top vent and then using the rear as the exhaust. If I am right in thinking this I would add 2 fans to the underneath of H100 for a push/pull configuration which will improve the performance of CPU cooling albeit marginally but will also provide the much needed air your top card seems to need,
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post #2593 of 2693
I'm pretty sure hes still running his H100 as exhaust...I remember when he first got his 670 DC2 he was having temp issues....and it went away as soon as he flipped his H100 to exhaust
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post #2594 of 2693
Morning guys,

Thank-you for your help so far!

Steven, you have a fantastic memory!! I currently have my H100 as exhaust with 2 x AP-15's on the outside pulling air through. I would go push / pull but 120mm fans wont fit because of the memory getting in the way unless i buy slim 120mm fans. I'm starting to think though that having the top fans as INTAKE made a positive difference but looking at how i've put them back on after stripping it down, ive put them as exhaust.

Here's a diagram of my airflow at present, any suggestions for improvement welcomed (this pic was taken before adding the second card and moving the sound card to the top PCI-E x1 slot.



FRONT INTAKE: CoolerMaster MegaFlow 200cm
FRONT INTAKE 2 (Drive Bay): 80cm Artic F Fan
TOP EXHAUST: H100 Radiator, 2 x AP-15's
REAR EXHAUST: Corsair AF120 Quiet Edition

Would it be worth changing any of my fans for performance versions such as the Corsair AF120 or the orientation of the fans?

Side fans make a good difference to temps i know that but i like having a side window.

I haven't gone down the route of replacing TIM yet.

My highest overclocking card is currently in Slot 1.
Edited by Darylrese - 3/6/13 at 2:06am
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post #2595 of 2693
Quote:
Originally Posted by Darylrese View Post

Morning guys,

Thank-you for your help so far!

Steven, you have a fantastic memory!! I currently have my H100 as exhaust with 2 x AP-15's on the outside pulling air through. I would go push / pull but 120mm fans wont fit because of the memory getting in the way unless i buy slim 120mm fans. I'm starting to think though that having the top fans as INTAKE made a positive difference but looking at how i've put them back on after stripping it down, ive put them as exhaust.

Here's a diagram of my airflow at present, any suggestions for improvement welcomed (this pic was taken before adding the second card and moving the sound card to the top PCI-E x1 slot.



FRONT INTAKE: CoolerMaster MegaFlow 200cm
FRONT INTAKE 2 (Drive Bay): 80cm Artic F Fan
TOP EXHAUST: H100 Radiator, 2 x AP-15's
REAR EXHAUST: Corsair AF120 Quiet Edition

Would it be worth changing any of my fans for performance versions such as the Corsair AF120 or the orientation of the fans?

Side fans make a good difference to temps i know that but i like having a side window.

I haven't gone down the route of replacing TIM yet.

My highest overclocking card is currently in Slot 1.

This is the only option I can think of....you can try replacing the TIM, but I highly doubt thats the problem....your case has no cool air coming to the GPUs...the front CM 200mm isn't doing jack crap....and that 80mm in the 5.25 drive bays isn't blowing anywhere near the GPUs....adding a front 120mm RIGHT in front of the GPU is a welcome idea....but I would suspect it will create turbulence....remember, this version of the DC2 exhausts hot air FRONT & BACK....so that means the main benefit will be to draw cold air from the sides....on a triple slot DC2, or a Gigabyte WF3, they exhaust hot air SIDE TO SIDE.....so adding a 120mm in the FRONT of the card will actually benefit without causing turbulence

Also adding corsair AF120 HP fans won't do anything either....your cards need cool air....your case is exhausting the hot air just fine...it's you need cool air to the GPUs!
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post #2596 of 2693
ok cool. Well last night i added a fan to the side of the GPU's but yet to test anything, will this help? What do you class as the 'front' of the GPU? Where the fans are?



Although i'm happy to try and replace TIM, i had a go at this before on my triple slot GTX 580 and it didnt help, infact it was a royal pain to try and get the right amount of paste and fit

I must admit, the megaflow doesnt seem to push a lot of air!
Edited by Darylrese - 3/6/13 at 2:33am
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post #2597 of 2693
Quote:
Originally Posted by Darylrese View Post

ok cool. Well last night i added a fan to the side of the GPU's but yet to test anything, will this help? What do you class as the 'front' of the GPU? Where the fans are?



Although i'm happy to try and replace TIM, i had a go at this before on my triple slot GTX 580 and it didnt help, infact it was a royal pain to try and get the right amount of paste and fit

I must admit, the megaflow doesnt seem to push a lot of air!

read what I said above in regards to the fan in front of the card
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post #2598 of 2693
sorry i did read what you posted, i just wondered what you regard is the 'front' of the GPU wink.gif
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post #2599 of 2693
Quote:
Originally Posted by Darylrese View Post

sorry i did read what you posted, i just wondered what you regard is the 'front' of the GPU wink.gif

In front of the GPU is exactly how you have it in the picture there

If you add fans on the side of the GPU, where the heatpipes are....there will be no turbulence and no restriction, as no hot air is being exhausted there....cool air will be the only thing drawn from there....if you position the fans in the front of the GPU, it will hit head on with that hot air being exhaust from the headsink....I know you said you decreased a few degrees by adding a fan there....but I can't imagine the fan position in front being better than the side
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post #2600 of 2693
So could the fan i added in actually push the hot air back into the GPU fans and get recycled? Thats probably not a great move!

Someone on another thread suggested making my H100 as an intake and have the hot air routed to the bottom of the case hmmm

If the side mesh is the only way to go, i wonder if a 200mm fan can be fitted rather than 4 120mm fans to the 600T
Edited by Darylrese - 3/6/13 at 3:04am
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