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 Post subject: Corsair HX520 most silent PSU to buy?
PostPosted: Sun Jul 29, 2007 1:49 pm 
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Location: Norway
I have today a Hiper Type-R 580W. Its realy the part of my computer that make most noise. In a test I read it was running at 30 DBA, and it has high frequent noise that realy iritate me. My CPU is AMD 4800+, and Geforce 7900GTX graphic card, and one hardisk.

After reading the recommened power supplies page here the Corsair HX520 was rated 8+ with noise.

Is the the mose quiet PSU I can buy for my computer?


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PostPosted: Sun Jul 29, 2007 2:27 pm 
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I have a Corsair HX520. the big 12cm fan is really silent.

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PostPosted: Sun Jul 29, 2007 4:17 pm 
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its one of the most quiet with a fan

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PostPosted: Sun Jul 29, 2007 5:00 pm 
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It's as quiet as the Seasonic S12 ( it's made by Seasonic ), modular, highly efficient, enough power for about any computer and it's yellow ! I can't think of a better power supply. That's why I bought it.

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PostPosted: Mon Jul 30, 2007 12:22 pm 
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Thank you. I will post my order for the Corsair HX520 now :D


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PostPosted: Mon Jul 30, 2007 12:27 pm 
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I'm surprised no-one mentioned the buzzing issue: link. it's unlikely you will be affected by this, but you should be warned.


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PostPosted: Mon Jul 30, 2007 1:25 pm 
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jaganath wrote:
I'm surprised no-one mentioned the buzzing issue: link. it's unlikely you will be affected by this, but you should be warned.

Thank you.
Maybe I should go for the Seasonic S12 430W instead? 430W should be enought anyway..


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PostPosted: Mon Jul 30, 2007 2:59 pm 
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I have several (3+) S12's, no buzzing, flawless quiet PSUs, highly recommended.


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PostPosted: Wed Aug 01, 2007 3:45 am 
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Location: Norway
I don't think you should worry to much about buzzing. My HX620W doesn't have it and I can't say I've run into anyone being plagued with this widely. It must be with those having very silent PCs in that case.


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PostPosted: Wed Aug 01, 2007 5:03 am 
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With your system, you need no more than an S12 430. It would even run fine on a 380.

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 Post subject: Re: Corsair HX520 most silent PSU to buy?
PostPosted: Wed Aug 01, 2007 10:11 am 
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Milzit wrote:
I have today a Hiper Type-R 580W. Its realy the part of my computer that make most noise. In a test I read it was running at 30 DBA, and it has high frequent noise that realy iritate me. My CPU is AMD 4800+, and Geforce 7900GTX graphic card, and one hardisk.

After reading the recommened power supplies page here the Corsair HX520 was rated 8+ with noise.

Is the the mose quiet PSU I can buy for my computer?


I finally switched myself to the HX520 since the NeoHE I purchased was far too loud (and the Corsair was on sale!!) I'd definitely recommend that for modular, and anything in the S12 series for non-modular.

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PostPosted: Fri Aug 03, 2007 1:13 am 
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I also ready the test of the new Corsair VX450W, but in a test the amient noise level was 28 dba, but the Seasonic S12 has 17 dba, so I guess the Seasonic would be most silent for me. I guess a can live with a non- modular PSU, even if I have that today on the Hyper PSU. The Corsair HX520 is 2 dba more noisy than the S12, but it not make any difference. But after reading all the post about the whining, I think I will go the for the S12. And the price is cheaper also.


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 Post subject:
PostPosted: Fri Aug 03, 2007 7:01 am 
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Modular - non-modular???? Eh, please help me? I have no idea what you guys are talking about :(

I am interested in the HX530 to run my system when I change cases... but not sure what all this modular stuff is about. Quick google search found nothing and searching the forums it is just discussed as a understood technology, never explained.

Anyone care to share?


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PostPosted: Fri Aug 03, 2007 7:24 am 
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Location: Minnesota
Modular cabling is that there are detachable plugs for all the cables [Molex Plugs, Sata Connectors, PCI-E, etc] so that you only have the cables plugged in that you need.

For example, my corsair power supply has 5 or 6 modular plugs for Molex/Sata connectors, as well as 2 PCI-X connectors.

I'm using 2 sata connector plugs, and 1 Molex connector plug, and 1 PCI-X connector, while the other wires remain detached to keep it neat.

You can search for power supplies with modular cabling on newegg here

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 Post subject:
PostPosted: Fri Aug 03, 2007 7:48 am 
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Silence would imply you can't hear it at all, if that's what you're looking for go with a passive power supply. Otherwise, the HX520 is a great unit considering the manufacturer(seasonic) and the cabling. The only issue I have with it is that it's much more power than I'd ever need, so I wouldn't be loading it to the point where it's efficiency is high.

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 Post subject:
PostPosted: Fri Aug 03, 2007 8:11 am 
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ryboto wrote:
Otherwise, the HX520 is a great unit considering the manufacturer(seasonic) and the cabling. The only issue I have with it is that it's much more power than I'd ever need, so I wouldn't be loading it to the point where it's efficiency is high.

What is the efficiency curve of the HX520?


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PostPosted: Fri Aug 03, 2007 9:04 am 
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Lensman wrote:
What is the efficiency curve of the HX520?


I'm not sure, I was just speaking for my system. Under load it barely draws 150W, ~28% of the Corsairs rated output. I'd rather be around ~50% or more.

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 Post subject:
PostPosted: Sat Aug 04, 2007 4:41 am 
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Location: Norway
ryboto wrote:
Silence would imply you can't hear it at all, if that's what you're looking for go with a passive power supply. Otherwise, the HX520 is a great unit considering the manufacturer(seasonic) and the cabling. The only issue I have with it is that it's much more power than I'd ever need, so I wouldn't be loading it to the point where it's efficiency is high.

I have already two case fans (Sorry, I don't know the dimension) that I started this summer when it was so hot here, becuase the computer started to freeze.. :D Also I my Raptor-X harddisk in mounted in a rubber fitted 5 1/4" bay with a fan. The AMD 6400+ is cooled by a Zalman fan.

Should it be enougt air flow to use a passive PSU?


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