How many watts should my new PSU have?

trevorman1

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Aug 27, 2009
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Hey All

I am running

Intel Core 2 quad 2.8 Ghz
Nvidia GTX 260
4 Gigs ddr2
WD 500 Gig HD
Dvd/CD drive

My current PSU makes loud noises and I believe is the cause of my BSODs. I am replacing it and want something that will be reliable for a few years. I am thinking of the Corsair 450VX 450W ATX12V

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139003

I don't know if this will be enough. I will NOT be adding any extra components so I do not need extra head room. Any advice would be appreciated

Thanks
 

shovenose

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true. i would say that the antec has a little bit more power but not really that much.


if you read the newegg reviews you can see that several people have had buzzing problems with the CORSAIR 450VX that the OP wanted
 

calinkula

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Jul 26, 2008
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It's cheaper than the Corsair you listed, granted it doesn't have the nice single rail at 41 amp, but I would say the 3 rails with 2 22 amp and 1 25 amp rail would be a decent step up in power. I'm too lazy to get under my desk and open my case to check the sticker for total combined 12v amps, but I think it's over 50 amps.



 

shovenose

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maybe if u laugh urself to death u will be less lazy and check insdie ur case!!!
funny-pictures-cat-plots-to-get-cheeseburger.jpg
 

ekoostik

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Sep 9, 2009
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This is a fairly decent PSU calculator: http://www.antec.outervision.com/PSUEngine

The Corsair 450VX is a highly rated power supply. Here's the review that convinced me to get one: http://www.hardwaresecrets.com/article/540

Give the article a read, but I'll throw in a couple quotes:
"This power supply is manufactured by Seasonic. ... After opening this power supply we found out that internally it is identical to Antec Earthwatts 500 W, but using better electrolytic capacitors."

"...a relatively inexpensive power supply that even though is sold as being a 450 W unit can deliver up to 570 W at 48º C – in fact Corsair could have easily labeled this power supply as a 500 W unit, but they preferred to stay on the safe side."
 

calinkula

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Jul 26, 2008
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Eh, jsc didn't specifically say that's what it was. I didn't look farther than the Earthwatts title and someone saying "Antec" + "52 amps". I would expect someone to be specific if they have something different than what's in the context of the conversation. But this is the intertubes and English = EPIC FAIL for most people.
 

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