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Fans? What's with them?

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  #1  
Old 04-05-2005, 06:55 AM
ObiWanHasNoFun Offline
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Fans? What's with them?

Seriously, what do they do. Do they push air out the hot air out of the case or actualy blow cool air on the parts? I've heard different people saying different things. Please help my simple, simple problem. Lol, and there I am reccomending parts and I don't even know what fans specificly do
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Old 04-05-2005, 11:42 PM
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Both. In my case I have 3 intakes, 1 in front & 2 on the side. I have 2 exaust, 1 in back & 1 on top. Then the power supply exaust.
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Old 04-06-2005, 03:27 PM
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Flyfsh is right. I have 4 fans that pull cool air across the mobo etc. (2 intakes and 2 exhausts). It's amazing how much cooler everything runs when you cable tie all the wires and junk out of the way.
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Old 04-07-2005, 03:50 AM
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The key word here is "windtunnel", get as much air passing unresticted through your case as possible, cool in from the bottom/sides, hot out from the top. Gigadave is correct, clean up your cables/wiring to exploit maximum airflow.
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  #5  
Old 07-04-2016, 01:07 AM
Dude111 Offline
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Quote:
Originally Posted by gigadave
Flyfsh is right. I have 4 fans that pull cool air across the mobo etc. (2 intakes and 2 exhausts). It's amazing how much cooler everything runs when you cable tie all the wires and junk out of the way.
Yes I read something last night on another site I am on about someone offering a way to "MAKE YOUR FANS QUITER" and the page they pointed to was ridiculous!!

Ya know how it makes your fans quiet??

BY SLOWING THEM DOWN!!!!!

Is that bloody stoopid or what? -- Your fans run FOR A REASON... Slowing them down so they dont work as well IS NOT A GOOD IDEA!!


Alot of stupid things online!!
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Old 07-05-2016, 10:45 AM
Digerati Offline
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You want a "flow" of air through the case - typically front to back but only because most power supplies already exhaust out the back - so it is best to "stay with the flow" (pun intended).

If you don't want to hear your fans (and I sure don't!) do three things:
(1) Buy a quality case. Better cases will provide lots of "large" (120mm or larger) fan support and help suppress fan noise too. Some even have noise deadening materials lining the interior. I love my Fractal Design R4

(2) Use the largest fans your case supports. Larger fans move much more air while spinning at the same or lower RPM (thus less noise).

(3) Use quality fans. The best fans typically use precision ball or fluid bearings for quiet, vibration free spinning. Plus the fan blades and fan housings are professionally and aeronautically (they are basically similar to airplane wings) designed to grab and push as much air quietly as possible. Cheap fans use cheap bearing and poor designs.
Quote:
Originally Posted by Dude111
Ya know how it makes your fans quiet??

BY SLOWING THEM DOWN!!!!!

Is that bloody stoopid or what? -- Your fans run FOR A REASON... Slowing them down so they dont work as well IS NOT A GOOD IDEA!!

Alot of stupid things online!!
That is NOT stupid at all! Actually slowing your fans down to make them quieter is a very valid procedure AS LONG AS you still have enough air flowing through the case to adequately cool the components inside. Fans don't have to run at full, jet noise speeds to properly do their jobs. This is why virtually all (except entry level) power supplies have built in fan speed controllers. Most graphics cards have variable speed fans. And virtually every motherboard controls the CPU fan based on the CPU's temperature. So slowing down the fan speed is not stupid, when done right.

What is stupid is slowing your fans down without monitoring your temps.
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  #7  
Old 07-08-2016, 07:54 PM
Dude111 Offline
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Yes well why mess with them???? Who cares if they make noise??

@ least they are cooling your tower ya know buddy?? (It can overheat easily)
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Old 07-08-2016, 08:30 PM
Digerati Offline
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Quote:
Who cares if they make noise??
You are the odd one out if you think most people don't care about fan noise.

And note I didn't say to mess with them. I said to let the controllers already in motherboards and PSUs do it - that is what they are designed for and they do it very well. And they don't just slow down fans willy-nilly. They do it based on sensor readings to prevent those towers from overheating.
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  #9  
Old 10-10-2016, 07:08 PM
Dude111 Offline
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Ya I know mate,alot of people care alot about that I have read....
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