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PSU fan suddently noticable

Nifr
By Nifr
in Power Supplies
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Posted

So ive been using a EVGA Supernova 1000W G3 for about 4 years and recently ive noticed the fan on the PSU beeing quite loud even long after ive closed any sort of games or heavy applications.

 

We talking 50-60 db (meassured with iphone so might not be correct) for 1 hour at least after the application is done, and then instead of reving down it just stops.

 

Recently i switched out a 1070 TI with a 6900 xt so the powerdraw is higher, but my PSU should have no issue handeling it.

 

Been trying to see at hwinfo64 if i can see PSU Fanspeed or temperature or anything to figure it out what could be causing it.

 

Any suggestion?

 

 

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Posted

well the G3 is loud, its not that great psu either. anyway there is nothign you can really do to the fan that bying a better and more silent psu. thats what you should have done in the first place

QUOTE ME  FOR ANSWER.

 

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Posted
7 minutes ago, Nifr said:

Recently i switched out a 1070 TI with a 6900 xt so the powerdraw is higher, but my PSU should have no issue handeling it.

This. Perhaps it's simply a fancy collaboration between a noisy PSU and a heavier VGA 😁

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Posted

You could try replacing the fan, though i dont reccomend it, personally ive dissasembled and reassembled psus to clean them but im just a lucky bastard that somehow didnt get shocked

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Posted (edited)
32 minutes ago, Nifr said:

Been trying to see at hwinfo64 if i can see PSU Fanspeed or temperature or anything to figure it out what could be causing it.

AFAIK you can't do that, unless there's a communication protocol between the rest of the system and the psu, there's no way to tell or control the psu fan, unless you willing to do some hardware modding (which i highly not recommend)

Edited by Freakwise

01110100 01101000 01100001 01110100 00100000 01110111 01100001 01110011 00100000 00110111 00110000 00100000 01101001 01101110 01100011 01101000 00100000 01110000 01101100 01100001 01110011 01101101 01100001 00100000 01110011 01100011 01110010 01100101 01100101 01101110 00100000 01110100 01110110

 

 

 

 

 

 

 

 

 

 

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Posted
  • Author

Hmm ok so its very unlikely that my PSU is broken, rather that G3 are loud when you put significant load on them ?

 

How would Corsair RM1000X 1000W compare ? 

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1 hour ago, Somerandomtechyboi said:

You could try replacing the fan, though i dont reccomend it, personally ive dissasembled and reassembled psus to clean them but im just a lucky bastard that somehow didnt get shocked

Replacing the fan doesn't replace the fan controller.

 

1 hour ago, Nifr said:

Recently i switched out a 1070 TI with a 6900 xt so the powerdraw is higher, but my PSU should have no issue handeling it.

 

Yes, your PSU can handle it.  But that doesn't mean it's not going to run hotter at higher loads.

 

1 hour ago, Nifr said:

Been trying to see at hwinfo64 if i can see PSU Fanspeed or temperature or anything to figure it out what could be causing it.

 

No.  Because there is no data interface between your PSU and the motherboard.

 

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Posted (edited)
57 minutes ago, Nifr said:

Hmm ok so its very unlikely that my PSU is broken, rather that G3 are loud when you put significant load on them ?

 

How would Corsair RM1000X 1000W compare ? 

Yes. It's simply a damn loud PSU.

 

Comparison with RM1000x(2021) :

 

image.png.bb945c11900b842f33134fb95a4c7b98.png

pDbQzxgisiyCB3FAVFRbY9-970-80.jpg

Edited by IIIIIIIIII
wrong picture
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Posted
10 minutes ago, IIIIIIIIII said:

Yes. It's simply a damn loud PSU.

 

Comparison with RM1000x(2021) :

-snip-

 

The top figure says it's for the G2 1000W. Here's the one for the G3 from Cybenetics.

Spoiler

image.png.bb945c11900b842f33134fb95a4c7b98.png

 

:)

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Posted
4 minutes ago, seon123 said:

The top figure says it's for the G2 1000W. Here's the one for the G3 from Cybenetics.

  Hide contents

image.png.bb945c11900b842f33134fb95a4c7b98.png

 

Bahh! It's early morning where I live and I'm tired and confused that he has a G2 :old-grin:

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Posted
6 hours ago, jonnyGURU said:

Replacing the fan doesn't replace the fan controller.

Genuinely didnt know psus even had a fan controller

 

Then again just swap for a slower fan that spins ~1000rpm max

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Posted
23 minutes ago, Somerandomtechyboi said:

Genuinely didnt know psus even had a fan controller

How did you think they controlled the fan?

23 minutes ago, Somerandomtechyboi said:

Then again just swap for a slower fan that spins ~1000rpm max

What do you think would happen if a PSU that expects airflow from a high static pressure fan running at 2000 RPM gets replaced with an unsuitable fan running at 1000 RPM?

:)

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5 minutes ago, seon123 said:

How did you think they controlled the fan?

As i work with oem psus it seems like they just dont even control it and just plug it directly to 12v instead

 

6 minutes ago, seon123 said:

What do you think would happen if a PSU that expects airflow from a high static pressure fan running at 2000 RPM gets replaced with an unsuitable fan running at 1000 RPM?

Fan runs slower?

Or the psu just starts overheating?

Idk ¯\_ (ツ) _/¯ 

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1 hour ago, Somerandomtechyboi said:

As i work with oem psus it seems like they just dont even control it and just plug it directly to 12v instead

 

Fan runs slower?

Or the psu just starts overheating?

Idk ¯\_ (ツ) _/¯ 

Literally the PSU dies slowly. Or OTP works at high temperature. It's a bonus that you can't get the warranty.

broken2001nichicon2200uf6.3v.jpg

 

And there may be a lack of static pressure. Even the companies that make case fans often change the fan design for the fans used in their PSUs.

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