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470 Tri SLI with 1000w PSU?

post #1 of 17
Thread Starter 
Currently my friend has 2 470s in SLI in his rig, but he wants to try adding my 470 just to benchmark some with Tri SLI.

He has an i7 @ 4Ghz with a Cooler Master 80 Bronze 1000w PSU. He says at full load with his 2 cards overclocked, he runs 850 watts.

Does anybody think its safe to throw in my 470 to run a few benchmarks? We'd run the cards at stock clocks, just to be safe but i just want to make sure.
post #2 of 17
yes
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post #3 of 17
850w is a bit much for 2 470's and an I7, it shouldnt be that high, but yea 2 470's will be fine.
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post #4 of 17
850w total system draw? Not in a million years! 400-500 watts sounds more likely.
    
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post #5 of 17
Quote:
Originally Posted by daydream99 View Post
850w total system draw? Not in a million years! 400-500 watts sounds more likely.
This.
     
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post #6 of 17
yup no problem
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post #7 of 17
Its not like you need any more confirmation, but you'll have no problems running the 3 cards
    
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post #8 of 17
3 overclocked cards, and an overclocked cpu.

However unless you've got a bigger res to play at (or some hard hitting games, like Metro 2033 maxed, or The Witcher 2 maxed with ubersamp) that won't bottleneck on the vram, that extra 470 is just going to crush his i7 at 4GHz, it will probably leave you feeling disappointed in tri.
Edited by BallaTheFeared - 5/28/11 at 2:02pm
    
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post #9 of 17
Thread Starter 
Well i'm just stating what he had said, i dont know that much about power draw, as i know more about laptops.

Will post back with some results after heaven and 3dmark 11, etc.
post #10 of 17
You should see decent gains in both those, Heaven is pretty gpu bound, and 3dmark 11 tests 1-4 are almost 100% gpu bound.
    
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