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PSU "Loud" During Gaming

post #1 of 13
Thread Starter 
Hello everybody,

Well I was gaming and I heard a fan slowly becoming louder and louder in my system. I had my case fans down low along with my GPU, and the only other fan in my system is my PSU fan.

I'm currently running only a 3.6ghz w/ HT on OC on a 520W PSU.

If I was to buy a PSU with higher wattage, do you think it would require a higher power consumption before it begins "revving up"?

I'm trying to keep my PC as quiet as possible however still get healthy air flow.
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post #2 of 13
Do you clean it often? Could just be dust packed in the fan/PSU
post #3 of 13
It sounds as though your PSU fan has a thermal sensor on it.

As the load increases so does the thermal output and the fan is reving up to cool the PSU.

I suppose you could get another PSU that is quieter under load...
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post #4 of 13
Yes, higher wattage PSU would work because they use 140MM fans. The thermal has to be high enough for my fans to even kick on, even then I can't even hear the 140MM fan if it's on.
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post #5 of 13
Is the PSU fan blocked? How much clearance does the fan have?
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post #6 of 13
Quote:
Originally Posted by anoob View Post
Yes, higher wattage PSU would work because they use 140MM fans. The thermal has to be high enough for my fans to even kick on, even then I can't even hear the 140MM fan if it's on.
There are many sub-500W PSUs with 140mm fans.

Your PSU fan shouldn't be revving up that much. A little yes, but you shouldn't be able to hear an S12II over your GPU fan.
post #7 of 13
Thread Starter 
Quote:
Originally Posted by nickbaldwin86 View Post
Do you clean it often? Could just be dust packed in the fan/PSU
I haven't cleaned it in a while, but the last time I had it out of my case (2 weeks ago) it didn't have much dust at all in it.

Quote:
Originally Posted by Syrillian View Post
It sounds as though your PSU fan has a thermal sensor on it.

As the load increases so does the thermal output and the fan is reving up to cool the PSU.

I suppose you could get another PSU that is quieter under load...
Quote:
Originally Posted by anoob View Post
Yes, higher wattage PSU would work because they use 140MM fans. The thermal has to be high enough for my fans to even kick on, even then I can't even hear the 140MM fan if it's on.
I thought at first the fan in my PSU was 135mm or 140mm but I guess I was wrong. Shows how much I pay attention to that stuff xD I'll have to look for one that has a 140mm when I upgrade. I planned on getting a 750W one but not anytime soon.

Quote:
Originally Posted by B7ADE View Post
Is the PSU fan blocked? How much clearance does the fan have?
There's plenty of room. My case has it mounted at the top and the only thing even partially in the way would be the H50 + Fan and the 8pin power connector, but they're both several inches apart from it.


Quote:
Originally Posted by Phaedrus2129 View Post
There are many sub-500W PSUs with 140mm fans.

Your PSU fan shouldn't be revving up that much. A little yes, but you shouldn't be able to hear an S12II over your GPU fan.
I had my GPU fan at 40% (I have a front fan blowing on it so it doesn't get hot at all), but the PSU was still becoming almost as loud as my R4 fans at, oh lets say 80% speed. Which is pretty noticeable.

Just tested it again with Prime and Kombuster running with my fans on low, definitely is the PSU.
Edited by Kvjavs - 2/4/11 at 3:52pm
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post #8 of 13
I haven't owned an S12II 520W myself, but I haven't heard about them being particularly loud. SeaSonic prides themselves on having quiet units. Could be yours has a miscalibrated fan controller.

Or maybe you're just more annoyed by sound than most users. How loud are your R4 fans at 80% speed?
post #9 of 13
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
I haven't owned an S12II 520W myself, but I haven't heard about them being particularly loud. SeaSonic prides themselves on having quiet units. Could be yours has a miscalibrated fan controller.

Or maybe you're just more annoyed by sound than most users. How loud are your R4 fans at 80% speed?
I might just be a bit more annoyed than others. But I'm mainly concerned if it is overheating or not from the load of both the OC'd proc and GPU (but the gpu isn't OC'd).

I can't get an accurate video/recording of the sound, but I can say its like a noticeable hum. Not very loud but enough for me to stop playing BC2 to figure out what it was.
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post #10 of 13
Oh it isn't overheating. It can supply 100% of its rated wattage continuously in a 50C environment for hours. I'd be surprised if your case was over 35C, and I doubt you're using more than 400W.
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