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What kind of graphics card can my PSU support?

Last response: in Components
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February 1, 2008 2:51:58 AM

Hi,i'm a computer newbie,and i've jsut recently built my own pc. It has Antec Earthwatts 500w(17A on 12V1 and 17A on 12V2), asus m2n32-sli deluxe mobo,2 sticks of 1GB DDR2 800 OCZ platinum rev 2 RAM, Athlon X2 5000+ with ZEROtherm BTF90 cooler, a sata seagate harddrive, a dvd burner, 2 120mm fans and a razer barracuda sound card. My question is,can the psu support a 8800GT?maybe SLI? Also i'm looking at the new 9600GT that's suppose to come out on 2/21, and it requires "26A on the 12 rail". can my psu support that?i would much rather buy that instead of 8800GT. Also,can i SLI the 9600gt? Thanks for your answers!
February 1, 2008 2:57:37 AM

I think it should be able to handle 2 x 8800GT, but I would consider that pushing it. It should be able to handle a 8800GT without any problems.
February 1, 2008 3:01:02 AM

Yes to the single 8800GT and maybe to the SLI (I don't remember the requirements for SLI with them). Your unit has 408 watts being supplied to the +12v rails. Divide that by 12 and you get a combined 34 amps which is enough for any single card set-up. If I remember the preview correctly, the 8800GT was supposed to be better than the 9600GT by a little bit. I also see no reason why you wouldn't be able to SLI the 9600's.
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February 1, 2008 3:48:31 PM

thanks for your replies. I would perfer the 9600GT because they are cheaper than the 8800GT,even though a little inferior in performace. So running SLI9600GT is safer than SLI 8800GT?does 8800GT use more pwoer or something? thanks again
February 1, 2008 3:53:13 PM

SLI 8800GT's can use approximately 360W at full stress.
February 1, 2008 9:11:26 PM

Uh, IIRC, 8800GT barely tops 100w under load. Where does the extra 160w come from in a SLI setup?
February 1, 2008 9:21:54 PM

Probably from mistakenly believing a chart showing total system power consumption is referring only to graphics consumption.
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