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Old 08-18-2014, 05:36 AM   #1
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Default Keeping My System Cool

Hey all,

I need advice on the best way to keep my system cool as it's running very hot when under stress.. primarily because I'm not making use of all the fan placements on the case.. of which there are only 3!

I have 1 120mm rear fan and 2 120mm front fans... so I'm thinking I should make the most of these by installing 2 fans with 75 CFM at the front (decent amount of airflow I thought) and then I thought perhaps an even higher CFM for the rear fan, as I only have one space for an exhaust! So ideally I thought it should be quite a powerful one...

What do you guys think?
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Old 08-18-2014, 06:22 AM   #2
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Default Re: Keeping My System Cool

Your 3 fans should be good enough.
Have you overclock the CPU or GPU?
Are you using the stock CPU cooler?
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Old 08-18-2014, 06:34 AM   #3
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Default Re: Keeping My System Cool

The front fans does'nt need too have as high cfm as 75. You also likely will have tinnitus pretty soon with such a powerful fan set up.

Get a pair of silent Noctua fans for the front intakes, and a higher cfm fan, like around 75 for the exhaust fan instead.

Have you fixed the cable clutter inside the case? That will have quite an impact on the air flow. What cpu cooler do you got?
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Old 08-18-2014, 07:23 AM   #4
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Default Re: Keeping My System Cool

The GPU & CPU are not overclocked Biker, I have a 212 EVO heat-sink installed also.

Wolf, these fans are like 4 and apparently only reach 22 dBA .. so they're quite quiet! Additionally, my system does seem to get very warm under stress and the case is quite small... I thought I'd need the extra CFM. There is no cable clutter whatsoever also!
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Old 08-18-2014, 07:40 AM   #5
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Default Re: Keeping My System Cool

I see. Then you will be ok. as far as the cpu cooler and the new fans goes. But maybe you later on, should consider getting a bigger case with a better cooling ability? Like a CoolerMaster HAF for example. That case is also big enough for any huge videocard and will serve you well for many upgrading sessions down the years.

http://www.maplin.co.uk/p/coolermast...se-black-n32nu
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Old 08-18-2014, 07:54 AM   #6
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Default Re: Keeping My System Cool

Nice case! But a little too much for me personally! I think that kind of case is designed for extreme cooling for people running multiple GPUs by the looks of it! Very nice though ^^
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Old 08-18-2014, 07:57 AM   #7
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Default Re: Keeping My System Cool

Ok. Yeah, that is one great case indeed. But if you want something more descrete? Take a look at the big tower, Antec P series cases. I have an old P180B that is very nice. Have had it for 5 years now.

This is the latest in the series I think?

http://www.amazon.co.uk/Antec-P280-P.../dp/B005X3E5BO
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Old 08-18-2014, 11:35 AM   #8
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Default Re: Keeping My System Cool

The 212 Evo should keep any CPU cool if it's not overclocked.
Sure you have connected it properly. Did you remember to apply thermal paste on the CPU before placing the cooler on it?

what are your CPU temps?
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Old 08-18-2014, 12:17 PM   #9
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Default Re: Keeping My System Cool

Well it depends my cpu is a amd fx 8320 and I have that cooler but since it is so hot where I live my max temps are around 55 Celsius


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Old 08-18-2014, 01:00 PM   #10
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Default Re: Keeping My System Cool

55 Celsius is still much below danger zone
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Old 08-18-2014, 02:00 PM   #11
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Default Re: Keeping My System Cool

Idle temps are around 20-25 degrees.. it's the airflow which is suffering under computer stress which gets it so hot!
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Old 08-18-2014, 02:33 PM   #12
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Default Re: Keeping My System Cool

and what is too hot? What temps?
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Old 08-18-2014, 02:40 PM   #13
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Default Re: Keeping My System Cool

It's primarily the ambient case temperature.. the whole of it gets very hot inside due to lack of airflow I believe and consequently heats every other component up more so than it should.
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Old 08-18-2014, 10:10 PM   #14
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Default Re: Keeping My System Cool

55 degrees is a deplorable idle temp. Especially if that's stock clock.
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Old 08-20-2014, 01:02 PM   #15
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Default Re: Keeping My System Cool

Quote:
Originally Posted by datkins91 View Post
Hey all,

I need advice on the best way to keep my system cool as it's running very hot when under stress.. primarily because I'm not making use of all the fan placements on the case.. of which there are only 3!

I have 1 120mm rear fan and 2 120mm front fans... so I'm thinking I should make the most of these by installing 2 fans with 75 CFM at the front (decent amount of airflow I thought) and then I thought perhaps an even higher CFM for the rear fan, as I only have one space for an exhaust! So ideally I thought it should be quite a powerful one...

What do you guys think?
There's needs to be more drawing out than drawing in. What you have now is too much coming in and not enough out. This is known as a positive pressure flow. What you want is more going out so it creates a negative pressure flow.

In a positive flow the air coming in absorbs the heat and gets saturated, but with little flow out the back the air stagnates. In other words, it gets hot inside.
In a negative flow the fans move more air out than is coming in. The air absorbs the heat from the inside of the case and it moves right on out the case.

On my Antec P280 I have 3 120mm fans blowing 2 out the top and 1 on the back. I finally installed the two intakes fans on the inside of the drive tower. So I have 1/3 less drawing in relation to the exhaust fans. With the 240mm tall and 120mm wide intake maul on the front, my baby stays pretty cool. Also the CM 212 evo CPU cooler has it's only fan so the air is sucked in through the fins and since the CPU fan and the back case fan are almost kissing, the CPU heat is drawn right out the back.

Wiring neatness counts. Keep the wiring out of the airflow.



This is what I was describing in the CPU fan faces the back exhaust fan.



Make the air in take passive and the exhaust as high as you can get it. Check Newegg for the Cougar brand fans. I use those and love em.
The better thing though if you can afford it is to get a better case. Good ones don't really cost all that much.
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