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 Post subject: Quiet PSU for htpc
PostPosted: Mon Dec 03, 2012 4:58 pm 
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Joined: Tue Jan 11, 2005 4:41 pm
Posts: 17
Hi all
I am building a htpc/general use computer and I am looking for sizing help an the power supply.
right now the build is
a-10 5700 cpu
asus F2A85-M PRO mb
WD 3tb red
kingston 120gb ssd
8gb ddr3 (samsung)
up to 4 case fans and a cpu fan
some sort of optical drive in the future (perhaps not)

I am thinking something it the 3-400w range should be more than enough right? I want to keep a little head room in case I add a discrete gpu in the future. (nothing to crazy)

this will be in the family space so I value a psu that will be on the quiet side.

Thanks!


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 Post subject: Re: Quiet PSU for htpc
PostPosted: Mon Dec 03, 2012 9:56 pm 
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Take a look at the SPCR review. 100W under heavy load. The Seasonic G 360 would fit well for HTPC use. Probably quiet enough if you put a 100W TDP graphics card in there (HD 7770/ GTX650 Ti). Anything more and the fan ramp up during gaming might be noticable. Less than 100W might be noticable if you cram the PC into an unventilated area. :)

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 Post subject: Re: Quiet PSU for htpc
PostPosted: Tue Dec 04, 2012 2:32 am 
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The Seasonic G-360 is a great PSU. It's reasonable cheap, has great electrical performance, 5 years warranty, and it should be quiet enough for most people, save for a number of die-hard silent PC enthusiasts.

Have a look at the review that CA_steve linked to.

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 Post subject: Re: Quiet PSU for htpc
PostPosted: Tue Dec 04, 2012 9:42 am 
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I was looking at that unit but it is OOS at my favorite retailers.

How does everyone feel about the pcp&c silencer mkiii 400w or the seasonic S12II 430w?

edit: scratch the seasonic. I prefer modular


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 Post subject: Re: Quiet PSU for htpc
PostPosted: Tue Dec 04, 2012 10:17 am 
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Location: Guatemala
Seasonic has the X400 which is modular and totally passive PSU, if you feel you need 400W. Another option could be to run a PicoPSU, not sure how much the A10 consumes, but probably something like 150XT should handle it.

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 Post subject: Re: Quiet PSU for htpc
PostPosted: Tue Dec 04, 2012 10:44 am 
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I am really trying to avoid a fan less solution. With the small cases htpc's use I figure a fan in the psu should be there for safety.


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 Post subject: Re: Quiet PSU for htpc
PostPosted: Tue Dec 04, 2012 11:14 am 
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If not the Seasonics then perhaps an old classic, the Nexus Value 430 W? Only 125 mm in depth (most small PSU's are 140 mm in depth) and extremely quiet. Once received the Editor's Choice award at SPCR but later degraded to being "recommended". Still good though.

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"SSD's: The difference between a casual jogger and a dog chasing a ball"


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 Post subject: Re: Quiet PSU for htpc
PostPosted: Tue Dec 04, 2012 12:10 pm 
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If this system only peaks at 100W max, you will have no problems with an X-400 overheating. If you were going to box it in and ask it to supply 400W then yes you might, but not at 100W.

If you want a fan cooled, modular PSU and small size is an issue, Silverstone do a 450W modular, Gold rated SFX sized PSU:
http://www.silverstonetek.com/product.p ... 42&area=en
No ideas on quietness and this might change your case options but could be worth considering.

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 Post subject: Re: Quiet PSU for htpc
PostPosted: Wed Dec 05, 2012 1:11 pm 
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I ended up getting the pc power and cooling silencer mk iii 400w. It was $39 after rebate and based on the seasonic s12II so I am comfortable that it should be a decent unit.

If it ends up being to noisy I will re-purpous it to another computer and order either the seasonic 360 or the fanless x400.

Thanks everyone for their help,


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 Post subject: Re: Quiet PSU for htpc
PostPosted: Wed Dec 05, 2012 2:28 pm 
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If you find the PSU too noisy, and you're up for it, you could try to swap the PSU fan with a quiet one. I did that with great success! My Corsair CX400W (originally reasonably quiet but still audible) is now completely inaudible.

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Cooler Master Elite 341, Athlon II X3 425, Radeon 5750 (passive, fan zip-tied on), Crucial M4 64 GB.
Cooling: AC Alpine 64 Pro, rear exhaust Scythe Slipstream 800 rpm @ ~5 V


"SSD's: The difference between a casual jogger and a dog chasing a ball"


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 Post subject: Re: Quiet PSU for htpc
PostPosted: Thu Dec 13, 2012 5:43 am 
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So far the pcp&c psu has been fairly quiet. No complaints at this time.


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