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Power Supply Unit (PSU)

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mgz:

--- Quote from: nstgc on March 14, 2010, 10:52:48 PM ---Modular: It'll make life so much easier
Multi-rail: The entra rail helps keep the voltage in your video card stable.
Bigger fan: Keeps it cooler.

Go to Google and see which PSUs are recommended for DFI motherboards. Those tend to be the best.

As for brands, Corsair, OCZ, and PC Power&Cooling make good ones. Check the list of recomended PSUs for DFI boards though.

I use a 620W Corsair PSU. I'm not sure what the model number is, but it has two rails, is modular, and has a 180mm fan.

--- End quote ---
dont forget silverstone they make great psus

i personally prefer corsair and silverstone

most rigs need a 750w psu or less a 1000w unless your running like 3 video cards and 10 HDDs is not needed and is a complete waste
modular vs non modular vs partially modular is all on you. Modular can make things less cluttered but you might have to worry about you losing cables  for later use.

Personally i just grabbed a nice corsair 750 it was cheaper at bestbuy then on newegg. at like 115 or 120


http://www.bestbuy.com/site/Corsair+-+750W+ATX+CPU+Power+Supply/9358303.p?id=1218090912061&skuId=9358303
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006

bestbuy one is more expensive now but if your lazy and have one near u its convenient at times

NaRu:
I use PC power and Cooling PSU.

This is the one I use

http://www.newegg.com/Product/Product.aspx?Item=N82E16817703013

nstgc:

--- Quote from: Viseroid on March 15, 2010, 12:58:21 AM ---http://www.jonnyguru.com/forums/showthread.php?t=3990
This is a pretty good FAQ for PSU rails. Definitely worth a read when shopping for a new PSU.

--- End quote ---

Thanks. I'm glad I read that. I'm also wondering if my PSU has two actual sources or is just one source split in two.

[edit]


--- Quote ---Is it true that some PSU's that claim to be multiple +12V rails don't have the +12V rail split at all?

Yes, this is true. But it's the exception and not the norm. It's typically seen in Seasonic built units (like the Corsair HX and Antec True Power Trio.)
--- End quote ---

I have a Corsair HX :(

vuzedome:

--- Quote from: Viseroid on March 15, 2010, 12:58:21 AM ---http://www.jonnyguru.com/forums/showthread.php?t=3990
This is a pretty good FAQ for PSU rails. Definitely worth a read when shopping for a new PSU.

--- End quote ---
Wow... now that's something new to me. Never thought the rails can go like that.

And about that Fermi leak,
If Fermi is that power hungry, I doubt there'll be any stable juice left for the other stuff,
I mind as well should just buy another unit just to power the Fermi card.  ;D
What do you guys think?

Gamerzhell:
Even at 300w (which is the PCIe limit), your entire computer will max 500w usage, and that's with everything being 100% utilized.

A 500-550w PSU from a trustworthy name brand will sufficiently power a GTX480 + i7 with room to spare.

Wattage is not important in PSUs, a typical gaming computer will struggle to draw over 300w. What's most important is the amperage. Alot of good quality PSUs will be able to provide more than their listed wattage on the box, ie Corsair VX450 can provide 550w. Look for a high amp rating rather than wattage in a PSU, typically you'll see around 30-40 amps in 400-500w PSUs, 60-75 amps in 600-750w PSUs, and 80+ amps in 800w+ PSUs. Going for a name brand will make it easier to choose something that won't break easily as they usually live up and past their expectations, the two most trusted brands I know are Seasonic and Corsair (which are rebranded Seasonics), any model from any of their ranges would easily live up to its expectations and beyond.

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