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-   -   How much power? (http://www.techist.com/forums/f76/how-much-power-217078/)

apsoul 10-03-2009 07:35 PM

How much power?
 
I plan on buying either Corsair or PC Power&Cooling PSU due to their 5yr warranties, reputations in this forum, and reviews. The question is what power output should I get. I currently have a 300w stock psu from prebuilt computer, and it has to be running > 90% load given the components that came with it. 4gb 800mhz ram, phenom x4 9150e, 500gb HD. I tried installing another HD but computer wouldn't turn on, I got nothing. My assumption was the PSU, and when I asked a tech about it, they were surprised that it ran with my current components.

I plan on buying a BIOSTAR TFORCE TA790GX 128M AM3/AM2+/AM2 AMD 790GX HDMI ATX AMD Motherboard
a phenom II x4 of some type, higher speed ram with intent of underclocking, maybe a low to mid-range graphics card, a 2nd HD, and Overclocking is in my future.

What do you think would be sufficient power given those future components?

I was considering CORSAIR CMPSU-650TX 650W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7

Help is appreciated :)

kmote 10-03-2009 07:44 PM

Re: How much power?
 
Depends entirely on the graphics card but 650 is easily enough for whatever you get.
EDIT: With loads of headroom as well even for a second card.

apsoul 10-03-2009 08:11 PM

Re: How much power?
 
Thats good to know being as I don't really plan on doing the whole crossfire thing, so i could probably drop it down to a 500-550w without worry correct?

95BlackGA 10-03-2009 08:23 PM

Re: How much power?
 
Quote:

Originally Posted by apsoul (Post 1717485)
Thats good to know being as I don't really plan on doing the whole crossfire thing, so i could probably drop it down to a 500-550w without worry correct?

Depending on the graphics card you get. If it's a strong 500w, you'd be fine.

kmote 10-04-2009 09:53 AM

Re: How much power?
 
Put it like this: the build in my sig works fine with a GTS250 and it uses a 425W enermax PSU.


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