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will a bottom fan help cooling the gpu?

MARK-dam
By MARK-dam
in Cooling
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i have cm 690 iii 
front 200
back 120

i have 1 more 120mm fan should i put it at bottom intake or top exust

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you want positive case pressure aka more air going in than out so out it where ever this will be achieved without knowing the pressure and cfm of your fans I would bottom is likely your best bet.

 

as for if it will help with cooling your gpu maybe but probably not by much.

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Having a fan pulling air in and blowing it directly onto the GPU will help with temps. When I installed mine my GPU temps dropped by 15-20*C and it stopped thermal throttling.

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Are your GPU temps problem?

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I tried doing that when I did all my testing. Putting a fan directly below did nothing. Pretty sure my temps were as low as they were gonna get. 

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On 8/20/2016 at 4:51 PM, Mick Naughty said:

I tried doing that when I did all my testing. Putting a fan directly below did nothing. Pretty sure my temps were as low as they were gonna get. 

what about in idle 
i have msi gtx 1060 gaming x temp at idle is 50  but load max is 65

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59 minutes ago, MARK-dam said:

what about in idle 
i have msi gtx 1060 gaming x temp at idle is 50  but load max is 65

Maybe a degree or two. My cards normally idled around 28,30. Wasn't worth me leaving fans down there. However, in sli I did notice a difference. My bottom card was a bit starved so I tried it with two fans. Did lower it about 2-3 on that card only while gaming. This was with blower style coolers. r

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14 hours ago, MARK-dam said:

what about in idle 
i have msi gtx 1060 gaming x temp at idle is 50  but load max is 65

65c max load is chilly. You don't need more cooling.

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On 8/21/2016 at 11:26 AM, LoGiCalDrm said:

65c max load is chilly. You don't need more cooling.

and 50c idle good or bad?

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13 minutes ago, MARK-dam said:

and 50c idle good or bad?

Idle doesn't mean much. If your fans are running at full speed, then its hot.

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