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SLI GTX 480 good idea?

post #1 of 20
Thread Starter 
Can I sli them on OCZ EliteXstream 800W?
post #2 of 20
I wouldnt.
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^3
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post #3 of 20
Nay on that one 400's are more power hungry than the 500's.
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post #4 of 20
Thread Starter 
Oh ok, I thought it would be dangerous as this power supply is over 2 years old.
post #5 of 20
yes but no ocing
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post #6 of 20
You can sli them on that psu.

Keep your OC to a max of 800MHz core if you decide to overclock.
    
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post #7 of 20
The overall wattage of gtx 480s in sli is 702 then comes in your PSU efficiency. I'm running my sig rig with a 750w 80% efficiency and my cpu is at 4.5GHz and my cards are overclocked to 825/2000.

so yes you can
Edited by theturbofd - 10/15/11 at 5:35pm
post #8 of 20
Quote:
Originally Posted by theturbofd View Post
stop the overall wattage of gtx 480s in sli is 702 then comes in your PSU efficiency. I'm running my sig rig with a 750w 80% efficiency and my cpu is at 4.5GHz and my cards are overclocked to 825/2000.

so yes you can
+1
People always forget to take efficiency into account.

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post #9 of 20
I don't think you guys are understanding efficiency correctly.

If a power supply is rated for 750W, then it should be able to output 750W but at 750W and 80% efficiency, it's going to be drawing 937.5W from the wall.

Efficiency = Output Power / Input Power x 100.

80 = 750 / I_P x 100
I_P = 937.5.
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post #10 of 20
Quote:
Originally Posted by c0ld View Post
Nay on that one 400's are more power hungry than the 500's.
You do realize that the GTX 580 is within several watts of a GTX 480? Right............

@OP: Yes SLi would work perfectly fine on that PSU.
Meh Compteh
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Meh Compteh
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