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Thread: Recommend SFX powersupply for quietness around 450-500w

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    Recommend SFX powersupply for quietness around 450-500w

    Hi,

    Im looking for a quiet SFX psu for an i5 8600k ITX build with a gtx970

    Thanks

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    Comrade Moose CAT-THE-FIFTH's Avatar
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    Re: Recommend SFX powersupply for quietness around 450-500w

    My Corsair SF450 is not too noisy.


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    Senior Member Pob255's Avatar
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    Re: Recommend SFX powersupply for quietness around 450-500w

    also bequiet and silverstone do good SFX
    be careful on SFX vs SFX-L
    SFX-L is SFX Long, it's 130mm long/deep as opposed to 100mm of SFX

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    Re: Recommend SFX powersupply for quietness around 450-500w

    450-500 W is overkill for a 970 - a pair of 970s in SLI takes less than 400 W, and a system with a single 970 will only get through 250 W or so (both with an overclocked CPU).

    Silverstone do a passive 520 W SFX-L PSU, which should be quiet enough

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    Senior Member Pob255's Avatar
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    Re: Recommend SFX powersupply for quietness around 450-500w

    on the cheaper side st45sf v2 https://www.pcper.com/reviews/Cases-...nd-Conclusions
    not modular or fanless but decent and low noise

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    Re: Recommend SFX powersupply for quietness around 450-500w

    From my testing in my mini-ITX system with a GTX1080 the fan profile is very conservative on the SF450. My system is housed in an aluminium case next to me and I can't hear the PSU and TH did some testing which indicates this:

    http://www.tomshardware.co.uk/corsai...w-33526-5.html

    I remember when I first got the gtx1080 I dissembled the system to test it outside the case and even when running games the fan would lots of the time not always spin up.

    You also get a 7 year warranty too - it's a very good PSU and JonnyGuru gave it 9.9/10!

    The Silverstone's mentioned earlier look good but are lower efficiency(probably get hotter) and have a 3 year warranty.

    Edit!!

    The new Silverstone SFX 500W PSU looks decentish:

    http://www.tomshardware.co.uk/silver...-34141-12.html

    However the use of an 85C primary cap and a few other niggles let's it down but it seems to be very quiet too upto 330w.

    Review of the ST45SF V3 Pob255 mentioned:

    http://www.tomshardware.co.uk/silver...-33973-11.html
    Last edited by CAT-THE-FIFTH; 04-03-2018 at 10:30 AM.


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    Re: Recommend SFX powersupply for quietness around 450-500w

    I have the 450W Silverstone ST45SF-G and the 500W Silverstone SX500-LG in two of my rigs and I can't hear them in operation.
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    Re: Recommend SFX powersupply for quietness around 450-500w

    Quote Originally Posted by CAT-THE-FIFTH View Post
    You also get a 7 year warranty too - it's a very good PSU and JonnyGuru gave it 9.9/10!
    That's impressive, has he ever given a 10?

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    Re: Recommend SFX powersupply for quietness around 450-500w

    Regarding SFX-L,Pob255 mentioned earlier - OP can your case take one of those PSUs easily?? They typically have bigger fans,so should help with noise. It also means you can consider passive units which Seasonic and Silverstone make(as mentioned earlier) but you do still need to have some airflow OFC.

    Quote Originally Posted by DanceswithUnix View Post
    That's impressive, has he ever given a 10?
    This Seasonic PSU got a 10:

    http://www.jonnyguru.com/modules.php...tory6&reid=487

    Edit!!

    If you check out my GTX1080 review,I put in power measurements at the wall per game:

    https://forums.hexus.net/reader-revi...enchmarks.html

    The PSU was silent(at least to my ears) over those kind of wattages at the wall. Also the case is an aluminium one(does not block sound very well) on my desk about 30CM to 40CM away from me.

    The SF600 actually is much noisier as it has a much more aggressive sound profile it seems.
    Last edited by CAT-THE-FIFTH; 04-03-2018 at 11:49 AM.


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    Re: Recommend SFX powersupply for quietness around 450-500w

    I use a Silverstone sfx PSU in a server running pretty much 24x7 - it's quiet, very quiet.
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