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Thread: Silent 700watt PSu needed?

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    Senior Member Brewster0101's Avatar
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    Silent 700watt PSu needed?

    Can any one recommend a very quiet power supply that is around 700watt with a modular design?

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    finding nemo staffsMike's Avatar
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    Re: Silent 700watt PSu needed?

    Are you sure you need 700W?

    A corsair 620W HX or enermax modu82+ 625W will cover almost any system these days and are both as silent as they come.

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    Senior Member Brewster0101's Avatar
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    Re: Silent 700watt PSu needed?

    Probably not. I currently have the Hyper T 580, which is great but now I can hear the fan above everything else.

    My system is water cooled and silent, so silence is important.

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    Re: Silent 700watt PSu needed?

    The above PSU's will be best for you then. They will be far more efficent than the Hiper and essentially inaudiable.

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    Re: Silent 700watt PSu needed?

    Quote Originally Posted by Brewster0101 View Post
    Probably not. I currently have the Hyper T 580, which is great but now I can hear the fan above everything else.

    My system is water cooled and silent, so silence is important.
    I have the same issue lol, my 700W Xclio is louder than everything else now but im not sure if its a fault or was like it before. Corsair is always rated high, go for it lol.
    Quote Originally Posted by snootyjim View Post
    Trust me, go into any local club and shout "I've got dual Nehalem Xeons" and all of the girls will practically collapse on the spot at the thought of your e-penis

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    Re: Silent 700watt PSu needed?

    Corsair no doubts, as it has very efficient cooling the fan wont kick in to its higher rated speed as quick.
    The fan is very very quiet t begin with.
    Space in my skull

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    Senior Member Brewster0101's Avatar
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    Re: Silent 700watt PSu needed?

    Quote Originally Posted by DratUK View Post
    Corsair no doubts, as it has very efficient cooling the fan wont kick in to its higher rated speed as quick.
    The fan is very very quiet t begin with.
    Define very quiet? I call very quiet, as in putting my ear against it and hardly hearing anything. As in with the computer together and side panels on I can't hear a thing.

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    Re: Silent 700watt PSu needed?

    Well I cant hear anything, just put one into a watercooled system and I cant hear it above the rad fans.
    Space in my skull

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    Re: Silent 700watt PSu needed?

    It's can't be heard really even with your ear next to it. If there is any other fan in your system chances are it will be louder (even if near silent) than the corsair. The enermax has been proven even quieter still but to the naked ear I doubt you would tell the difference.

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    Re: Silent 700watt PSu needed?

    I'm also looking into a similar purchase, a couple of links that might be of help:

    http://www.silentpcreview.com/article699-page1.html - A list of Recommended Power Supplies with Noise output in mind!

    http://www.silentpcreview.com/article692-page1.html - Their review of the Corsair modular HX series!

    Personally I think Corsair are the way to go, if just for their 5 year warranty which I think I'm right in saying is 2 years better than the other well known power supply manufacturers. They also have a very good reputation from reviews and users, not to mention most of the range is made by Seasonic (except the TX750 and VX550 which are made by Channelwell, which isn't a bad make by any means and are not modular anyways).

    I'm on quite a tight budget so I'm not certain what I'll go for, it would also be good if it would take 2 x 4870's in crossfire for a future upgrade. I may go for a non-modular supply to save some cash at this rate!

    Try Corsairs PSU finder: http://www.corsair.com/psufinder/default.aspx

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    Re: Silent 700watt PSu needed?

    That silent Pc review site state quite clearly that at 400 watt both power supplies are not silent or even that quiet!

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    Re: Silent 700watt PSu needed?

    Well these are the best lol Are you really going to be pulling 400W? That is a hell of a lot.

    You could get something like this but I don't hear good things about their reliability
    http://scan.co.uk/Product.aspx?WebProductId=480708

    Another new one worth mentioning
    http://scan.co.uk/Product.aspx?WebProductId=801620

    EDIT: The other thing is, even if the fan does ramp up when the PSU is really loaded up this is only likely to happen in games which is the sort of time when PC noise starts to become of little issue to me.
    Last edited by staffsMike; 10-08-2008 at 10:44 PM.

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    Re: Silent 700watt PSu needed?


    Jonny Gurus review of the 600 watt Zalman Heat sink

    http://www.jonnyguru.com/modules.php...=Story&reid=30

    Corsair 620 HX

    Load tests cold and hot fan noise

    http://www.jonnyguru.com/modules.php...Story2&reid=21

    The level of noise is going to be also dependent on your case, its position distance etc. I do understand your caution though. Nothing worse than getting a product on reccomendation then finding it isnt exactly what you were looking for.
    Found a review of the Zalman 750, apart from some slightly shaky 12v1 ripple it dosent look half bad.

    http://www.bcchardware.com/index.php...1&limitstart=0

    It still uses a fan, and it uses the same fan as found in the Corsair 620 HX.

    The Zalman is made by Seasonic btw

    Good luck
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    Re: Silent 700watt PSu needed?

    Quote Originally Posted by Brewster0101 View Post
    That silent Pc review site state quite clearly that at 400 watt both power supplies are not silent or even that quiet!
    400W load is quite unusual; your PC won't be drawing that sort of wattage on a regular basis, maybe in gaming but that’s about it. During gaming you are most likely to have speakers or headphones on so I can't see that being a problem. During surfing and normal tasks the PSU will be very quiet as they only draw what they need, less wattage, less heat so lower fan speeds.

    SPCR does some of the most accurate and well thought out tests with regards to noise output that I've come across. You could pick the one they rate the best for sound output! Top of the list is the Enermax Modu82+ 625W, but it's not cheap at £99 and there is a very minimal difference between that and the Corsair series.

    Here is a quote from the Emermax review that puts it very nicely:

    Having crowned a new silent PSU king, it's prudent to point out that in a competition among the best in any category, whether Olympic athletes or high performance computer power supplies, the differences between first, second and third place (and even lower ranks) are often marginal. With swimmers, runners, and skiers, it's sometimes measured in hundredths of a second. Similarly with quiet, high performance PSUs, a number of Seasonic and Corsair models come within 1~2 dBA@1m of the Modu82+ 625's default acoustics, and their electrical performance is close enough to be considered identical. In practical usage, the noise advantage between this PSU and some of the other top ranked quiet models may not even be audible because of the masking effects of other louder noise sources, either in the computer or in the environment.

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    Re: Silent 700watt PSu needed?

    Be Quiet! Dark Power Pro 650W this gets very good reviews in recent custompc test. Looking at your system 650w should be enough for you unless you are going to be upgrading system soon. review here http://www.custompc.co.uk/reviews/18...-pro-650w.html

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