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Has anybody changed their PSU fan?

post #1 of 14
Thread Starter 
My PSU is some no-brand piece of junk and its noisy as hell. It has an 80mm fan. I was wondering if anybody had tried changing the fan on their PSU for a quiet one?

I know buying a better psu would be the best thing but this one will do until I can justify buying a top spec one.

Its annoying because everything else in the case is very quiet. Any ideas?
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Cuthbert
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post #2 of 14
I've been changing fans on my low-end PSU's for years, either due to malfunction or not enough performance, its not really recommended though and you should be very careful not to touch any caps on the PSU (and ofcourse drain it as much as you can from electricity!)
I just cut and split the wires from the previous fan, spliced on the new fan and off i was. Just make sure you seal the joins well with electrical tape etc (and ofcourse dont let the two wires touch each other when taping them)
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post #3 of 14
Yep. I've done it multiple times. Only thing I hate is when manufacturers solder the fan wires into the PSU. I've only done a little soldering in my lifetime, so it's an obstacle for me.

I actually open up dead PSUs and rip out the fans if they're any good. Some PSUs have very quiet fans in them.
 
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post #4 of 14
I switched fans in a raidmax psu. I used normal 3-pin fans for the replacements. Works great!
88mm FLAK
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88mm FLAK
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post #5 of 14
Yeah, I fitted a Thunderblade LED to my old Toughpower.
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post #6 of 14
Thread Starter 
great advice guys, i will definitely give it a go! a quiet 80mm must be pretty cheap, compared to the cost of a new "quiet" power supply. My soldering is not too shabby and I have survived plenty of DIY electrics so I should be ok...
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post #7 of 14
I have done this as well. I have the Corsair HX520W PSU and it says it's a quiet fan but when I turned it on, yes it was silent, but the fan looked like it was barely even moving. For me, I prefer performance over silence any day so I swapped it out with a Thunderblade 72CFM 120mm fan and it blows WAY more air....and surprisingly, the air still coming out of it is slightly warm. Oh well atleast I know it's being cooled alot more efficiently.
    
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post #8 of 14
I've done it many time with lower end psu and it worked a dream
NEW 2 ATI
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post #9 of 14
Quote:
Originally Posted by N0 F34R 1488 View Post
I have done this as well. I have the Corsair HX520W PSU and it says it's a quiet fan but when I turned it on, yes it was silent, but the fan looked like it was barely even moving. For me, I prefer performance over silence any day so I swapped it out with a Thunderblade 72CFM 120mm fan and it blows WAY more air....and surprisingly, the air still coming out of it is slightly warm. Oh well atleast I know it's being cooled alot more efficiently.
The reason it was barely moving is because it had no reason too! The hotter it gets, the faster the fan will run. Changing fans on quality PSUs is never a good idea.
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post #10 of 14
Low end PSUs need high-speed fans for a reason. Make the bad worse is usually not a good idea. The question is are you willing to risk your system to save $50 or a bit of noise?
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Once again...
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