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Wanting 'noiseless' PSU for system

post #1 of 19
Thread Starter 
Yep, so having done some reading up, i'm wanting - and have some idea in which direction - to purchase a new quiet/'noiseless' PSU to replace my horribly loud Sansun True. (I am not true to it!)

I am considering the Consair VX450 which not only is recommended by jonnyguru (and elsewhere), but also a fan that doesn't kick in till reaching its 450 watts - unlikely and quietly in the event.

Would others agree this a suitable choice for my machine? (see below) Not going too high on the wattage would mean better effeciency, but opposingly I hope still enough overhead for quiet/'noiseless' system. Ought I be able to achieve this where this PSU has 33A/396 watts in the 12v rail, and the top-end running device is my graphics card? (Nvidia reports it as using c. 80 watts.) The 5v rail is nothing to even think about right?

Lastly, and crucially, i'm assuming the 20/24-pin main ATX; 4/8-pin ATX12V/EPS12V; and one 6-pin PCI-e connectors that come attached are standardized to work with my machine, and the six SATA & six 4-pin peripheral (IDE?) connectors are for drives? I'd not want any other connectors being as i've no plans to upgrade?

Thanks in advance.
Edited by NirvanaII - 4/29/11 at 10:53am
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Ol' Salty Breezer
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post #2 of 19
450w is overkill for your system. I cannot relate to your sansun as ive NEVER heard of that brand, but any decent psu will be decently quiet unless called for. Passive is always an option, but for more extreme systems not recommended.

corsair, antec, and their respective suppliers are all recommended.
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post #3 of 19
I've got a Corsair TX750W and that thing is quiet as hell. I never even noticed it when i was testing it out and it was the only thing on in my room. Not suggesting getting that high a wattage, but the Corsair ones have been great to me so far.
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post #4 of 19
http://www.newegg.com/Product/Produc...82E16817151097

SeaSonic X series SS-400FL Active PFC F3 400W http://www.jonnyguru.com/modules.php...Story&reid=200

Might be what you are looking for, there is also a 460W fan less version.
post #5 of 19
Thread Starter 
(I should probably add that i'm on a budget of £40)
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post #6 of 19
Get a 550-650 watt power supply and the fan doesn't ramp up until you hit full load. which you won't. Up until about 400 watts on a corsair HX 650 it stays at 20DB. Even your hard drives are louderr
post #7 of 19
SeaSonic Fanless X series FTW
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post #8 of 19
Thread Starter 
Quote:
Originally Posted by SpeedNuggeT View Post
Get a 550-650 watt power supply and the fan doesn't ramp up until you hit full load. which you won't. Up until about 400 watts on a corsair HX 650 it stays at 20DB. Even your hard drives are louderr
Unless i've misunderstood jonnyguru's review the VX450's fan doesn't turn on till full load either. Or am I missing something?

Shogon:

That fan sounds good, but I don't know if i've the adequate ventilation in my system, and it's a little too pricey.

The one minus reading the replies is that 450w is if anything too much for my system. That's not so big a deal though is it? It won't be grossly inefficient? Lastly, this unit will fit my comp?

And thanks for all the quick replies.
Edited by NirvanaII - 4/29/11 at 10:55am
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post #9 of 19
Quote:
Originally Posted by NirvanaII View Post
Unless i've misunderstood jonnyguru's review the VX450's fan doesn't turn on till full load either. Or am I missing something?

Shogon:

That fan sounds good, but I don't know if i've the adequate ventilation in my system, and it's a little too pricey.

The one minus reading the replies is that 450w is if anything too much for my system. That's not so big a deal though is it? It won't be grossly inefficient? Lastly, this unit will fit my comp?

And thanks for all the quick replies.
PSU reviewers tend to use loud testing equipment. They're saying that they can't hear the PSU fan over their loud testing equipment, not that the fan doesn't spin up until a certain loud. That's just a feature of a few high-efficiency units like the Seasonic X Series, Super Flower Golden King (e.g. Kingwin Lazer Platinum), etc.

450W is indeed overkill but that's not a problem. Just look at the price.

VX450 does seem to be very quiet though in general, particularly for the loads you are going to be running:
http://www.silentpcreview.com/article751-page5.html

Note that that's an old review and compared to old units, since the VX450 is old. Perhaps the Antec High Current Gamer 400W (around 42£ incl. VAT on scan.co.uk today-only page) is quieter, as it has a larger fan and higher efficiency, and is likewise made by Seasonic.
post #10 of 19
mine is pretty quiet.. cannot hear it at all... my seasonic is also mad quiet
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