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 Post subject: Swap PSU fan out with a quiet one or no?
PostPosted: Wed Jan 04, 2012 8:17 am 
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Joined: Wed Jan 04, 2012 7:15 am
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I have an Ultra LSP550 550w PSU with a bottom mounted 135mm fan and a rubber gasket at the mounts. I'd like to mod it with a quiet fan but have some concerns about whether a silent fan would provide enough cooling. There's plenty of space in my full ATX to run a duct to the front of the case if fresh air is needed.

It's powering a pair of quad core xeon 2.5ghz with 16gb of memory and a radeon hd 6870 so there is going to be draw on it.

Or is this something that's not generally done and one is better off just buying a purpose built quiet PSU? I don't want to replace the whole PSU if not necessary.


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 Post subject: Re: Swap PSU fan out with a quiet one or no?
PostPosted: Wed Jan 04, 2012 4:48 pm 
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Joined: Sun Dec 11, 2011 9:50 pm
Posts: 108
archcycle wrote:
I have an Ultra LSP550 550w PSU with a bottom mounted 135mm fan and a rubber gasket at the mounts. I'd like to mod it with a quiet fan but have some concerns about whether a silent fan would provide enough cooling. There's plenty of space in my full ATX to run a duct to the front of the case if fresh air is needed.

It's powering a pair of quad core xeon 2.5ghz with 16gb of memory and a radeon hd 6870 so there is going to be draw on it.

Or is this something that's not generally done and one is better off just buying a purpose built quiet PSU? I don't want to replace the whole PSU if not necessary.


I wouldn't invest any more money into an Ultra PSU, they're made by Andyson and this one has 30A on the +12b, which puts it at 360~w on the +12v. No thx :)

If you have the cash pick up good quality PSU.

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