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Need Help With PSU

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a b ) Power supply
October 16, 2009 2:28:39 AM

This is my build but I don't know how much watts I need... I plan to overclock cpu to 3~3.5 and I don't plan to crossfire or anything..

AMD Athlon II x4 620

XIGMATEK HDT-S1284EE 120mm Rifle CPU Cooler

GIGABYTE GA-MA790X-UD4P Motherboard

Crucial Ballistix 4GB Memory

HIS Hightech H467QT512P Radeon HD 4670 512MB

Western Digital Caviar Black WD6401AALS 640GB Internal Hard Drive (might buy 2)

Antec Nine Hundred

SAMSUNG Black 22X...2MB Cache IDE 22X DVD±R DVD Burner

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a c 248 ) Power supply
October 16, 2009 2:43:05 AM

The general rule of thumb is a high quality 500 to 550 watt power supply with sufficient current (amps) on the 12 volt rail(s) can easily power a system with any single video card made.

Corsair, PC Power & Cooling, and Seasonic are some of the brands that have a reputation for high quality power supplies that consistently earn high marks in technical reviews. They are reliable, stable, and come with a 5 year warranty. Lately we've been seeing a few other brands offering some high quality units.
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a b ) Power supply
October 16, 2009 3:26:50 AM

JohnnyLucky said:
The general rule of thumb is a high quality 500 to 550 watt power supply with sufficient current (amps) on the 12 volt rail(s) can easily power a system with any single video card made.

Corsair, PC Power & Cooling, and Seasonic are some of the brands that have a reputation for high quality power supplies that consistently earn high marks in technical reviews. They are reliable, stable, and come with a 5 year warranty. Lately we've been seeing a few other brands offering some high quality units.



so 500~550W is sufficient for my build? :) 
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a c 248 ) Power supply
October 16, 2009 4:37:22 AM

Yes! A high quality 500 to 550 watt power supply is sufficient if you are only going to use one video card. :) 
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a b ) Power supply
October 16, 2009 6:08:46 AM

JohnnyLucky said:
Yes! A high quality 500 to 550 watt power supply is sufficient if you are only going to use one video card. :) 


Thank you :)  I looked around and decided on Corsair CMPSU-550W
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a c 248 ) Power supply
October 16, 2009 7:07:15 AM

Excellent choice!
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a c 84 ) Power supply
October 16, 2009 8:54:36 AM

Overkill for the 4670, but it will work just fine. You could have got the Corsair 450 instead.
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a c 248 ) Power supply
October 16, 2009 12:00:02 PM

4745454b - Agreed. However, between sale prices, free shipping, and mail-in rebates at newegg.com there is only a $10.00 difference between the 450 and 550. In addition the OP would be set for future single video card upgrades for the next 5 years.
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a c 84 ) Power supply
October 16, 2009 2:14:19 PM

Ahhh, then $10 well spent. As I said, its a good PSU that he bought, its just a bit much in power. For the price, its probably a great buy.
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a b ) Power supply
October 17, 2009 2:49:50 AM

4745454b said:
Ahhh, then $10 well spent. As I said, its a good PSU that he bought, its just a bit much in power. For the price, its probably a great buy.


I think the Corsair 550W is like 80 dollars in Fry's Electronics :)  and if it's on sale or rebate it may go down to 60+ maybe :) 
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!