When would you need a case fan?

  Alf58 20:29 28 Apr 2007

I recently upgraded my graphics card and as a result, needed to upgrade my PSU up to 500 Watts. During the course of all this, I noticed there are the necessary screw holes and air holes at the back of my case for an 8cm case fan. Under what circumstances would a case fan be necessary? I am running a 2.8 Pentium 4 Processor, 1250 Mb ram, a Radion 1300X graphics card and a have 120 gig hard drive.

  spuds 20:35 28 Apr 2007

If you haven't already got a fan fitted, then I would strongly suggest that you install one asap, considering the items that you have mentioned.Air circulation is an essential item in a computer case.

  bremner 20:37 28 Apr 2007

I agree with spuds and also suggest checking if there is a fan at the front of the machine.

  Alf58 20:43 28 Apr 2007

No I dont think there is a fan at the front of the case. The PSU has two fans on it, the graphics card has a fan and of course the CPU has one. Case fans are fairly cheap so its off to PC World. I presume there was no case fan fitted in the first place because the original graphics card was was only 64mb(only had a heatsink without a fan)and the original PSU was 250 watts. I guess that because of my upgrades more fan power is required.

  Technotiger 20:49 28 Apr 2007

Hi, your processor has a fan, your graphics card has a fan, your psu has a fan - there may or may not be a fan in the front of your case, but in any case unless you have problems with over-heating, you probably do not need extra case fan(s).

  Technotiger 20:53 28 Apr 2007

PS - I have a similar spec in my tower, I also had a case fan on one side-panel - I removed the fan on the side-panel without any detrimental effect, it was a bit noisy with that fan.

  Technotiger 20:55 28 Apr 2007

Amendment - I disconnected the side fan, not removed.

  woodchip 20:58 28 Apr 2007

If you fitted a New PSU it should have a Fan. Built in. Are these the screw holes you refer to? round the 3" hole?

  woodchip 21:00 28 Apr 2007

If the temps are OK there should not be no need for extra ones. All it will do is make it more noisy

  Eargasm 21:02 28 Apr 2007

Just a thought when fitting extra case fans, should a fan blow air in or suck air out as some can be fitted either way round ?

  Technotiger 21:04 28 Apr 2007

Suck in from the front - blow out at the back.

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