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Old Nov 25, 2009, 01:18 AM // 01:18   #1
Frost Gate Guardian
 
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Default quick question about GPUs and power supplys

I was just wondering what the most powerful ATi graphics card I would be able to get to work smoothly on a 500W PSU without straining the power.

I currently have an AMD 6000+ X2 processor, along with a basic AM2 socket motherboard.

Thanks in advance.
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Old Nov 25, 2009, 02:49 AM // 02:49   #2
Desert Nomad
 
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Insufficient information. Please post the PSU model.

Provisionally, assuming your PSU isn't complete shit, you should be able to use any single-GPU card, including the new 5870. If you're really confident in the quality of your PSU, you could probably run two; i7 920 sli/crossfire setups typically draw just north of ~400W at the wall.

Edit: Keep in mind that the efficiency band for most PSUs is in the 30~70% load range, with the peak efficiency just around 50% load.

Last edited by Burst Cancel; Nov 25, 2009 at 02:59 AM // 02:59..
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Old Nov 25, 2009, 04:46 AM // 04:46   #3
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what's the brand and model of power supply? There should be a sticker on the side that lists the amount of amps on the +12volt rail (or rails)....
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