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 Post subject: Modu82+ 625w vs 525w - Any noise difference?
PostPosted: Sun Oct 26, 2008 7:26 am 
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Joined: Sat May 26, 2007 8:37 pm
Posts: 7
I'm sorry if this has been asked before, but I can't seem to find any solid answers. As you all know, the Modu82+ was well reviewed here as a very quiet PSU. I'd like to purchase the 525W, however it is unclear if it will have the same "noise to wattage" threshold as the 625W. There's quite a price premium between the 525 and the 625 so I'd like to get some feedback how quiet it is.


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PostPosted: Sun Oct 26, 2008 8:03 am 
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Joined: Wed Jan 12, 2005 10:47 am
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Location: Bucharest, Romania
There was an article at Anandtech, Debunking Power Supply Myths, and this page (bottom) may have the information you want:
http://www.anandtech.com/casecoolingpsu ... i=3413&p=6


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PostPosted: Mon Oct 27, 2008 4:59 am 
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Joined: Sat May 26, 2007 8:37 pm
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Tzupy wrote:
There was an article at Anandtech, Debunking Power Supply Myths, and this page (bottom) may have the information you want:
http://www.anandtech.com/casecoolingpsu ... i=3413&p=6


Wow, that's exactly what I needed to see. Thanks! :D

According to the graph, the noise threshold will be the same up until about 250W on both Modu82+ PSUs. However:

The Modu82+ 525W fan starts to ramp up around 250W.
The Modu82+ 625W fan starts to ramp up around 310W.

For me, it's probably worth the price premium of the 625W. I'm currently running a Seasonic S12+ with a slightly noisy fan, i.e - slight clicking noises when my system isn't under load. I have to RMA it but will likely give it to the wife.

Anyhow, the Modu82+ 625W would give me more leeway for power hungry passively cooled videocards, such as a 9600GT. As I'm running my E8400 Prime95 stable @ 4Ghz (with a Zalman CPNS9500 < 5v!) but I'm currently limiting myself to a HD2400 due to the low power requirements. This keeps me under 250W on my current PSU, which also increases in noise past that..


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PostPosted: Fri Oct 31, 2008 2:23 am 
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Joined: Fri Oct 24, 2008 12:36 am
Posts: 24
Location: Netherlands
I do use a Modu82+ 525W in my dead silent system,
with a (passive cooled) 3870 Sapphire graphics card and a Q9550 quad core clocked @ 3400 Ghz.
This PSU handles the power need easy, the fan hasn't been spin up from the default 490 rpm yet.
Highly recommended.


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