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Power Supply Buzzing & Humming Noise


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#1
superstar

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Hello everyone,


I purchased this power supply a couple of days ago to replace a no name 450watt "Deer" brand psu I had in my system for over 2 years:

Enermax FMA II DXX EG465P-VE 460W V2.2 2Fan 20/24P 2x6P RoHS ATX PS

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Product Info: http://www.canadacom...d...&cid=PS.808


I've been hearing a faint humming sound from inside my pc case since the moment I turned my pc on with the new psu installed. I know for a fact that it's got to be from my new psu because it wasn't there before. It's such a low noise but so present that it's driving me insane. I feel like I'm the victim in that old poem by Edgar Alan Poe going mad over repeated annoying sounds I can't control. I'm going insane here! So much so that I'm actually going to take this psu back to the store this week if I can't find a logical explanation as to why this new psu would do this fresh out the box. Could it be the fact that the psu has two fans? Anyways I actually made a new choice for a different psu which I hope doesn't suffer from a similar humming sound:

Antec EA-500 500W ATX12V V2.0 PSU 80mm Fan 80PLUS ROHS Power Supply

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Product Info: http://www.canadacom...d...&cid=PS.808

My new choice above is actually 80 Plus Certified so it's better for the earth and my electrical bill. I have no idea if it's an all out better choice than the Enermax I have now... Maybe I'm going about this the wrong way? I personally just don't want to risk this humming sound being some sort of defect leading to more problems down the line such as complete psu failure.

What do you guys/girls think?




- Thank You
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#2
Neil Jones

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The humming noise is probably the internal fan spinning. Some PSUs are noisier than others. My first PSU fan was so noisy that when I switched it out for a quieter one I first thought it wasn't working at all. Two fans probably don't help, but also don't forget, if your computer is under the desk the noise tends to get magnified.
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#3
shard92

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you could also check to make sure everything is attached real well ( screwed down or what ever ) as it could be an oscilation set in the case causing something to vibrate a bit....

oh and bigger fans tend to be less noisy...
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#4
superstar

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I found out what it is. It's the fact that it has dual fans. I'm taking it back tomorrow... The sound is utterly annoying... I reattached my old no name psu and the sound is gone.
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#5
shard92

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glad you got it sorted...
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