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470 SLI on 600w

post #1 of 54
Thread Starter 
yes or no?

straight answer....

PSU in question: Silverstone Strider 600w 80+brozne

if not

HX650w .....yes or no?

just yes or no would do fine

assume I'll overvolt GPU's to max
add in watercooling loop and a OC'ed 32nm Xeon E5620

cheers
post #2 of 54
nope.
     
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post #3 of 54
No.
     
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post #4 of 54
No way. Get yourself at least a 750w unit, 850w to be totally safe.
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post #5 of 54
If you wouldn't overvolt and OC very high maybe yes, but overvolting both cards and the CPU would pull probably more at peak than 600W. An 850W would be more in line with that rig.

BTW, you can test. Mount the cards and run some benches @stock speed; buy a 10$ kill-a-watt and see how much the rig pulls from the plug (don't forget to factor in ~80% efficiency). Then OC and see if it holds. You can also monitor the +12V rails in the PSU, if they were to drop below 11.8V this would be another sign the PSU is being pushed too far.

cheers
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post #6 of 54
I'd say you boot up once, then it will shut off within a few seconds after you load up Vantage.
    
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post #7 of 54
I have them on 1000w Gold (the psu cost me $150)

you can find a good 1000w bronze psu for around $120 if you look around
post #8 of 54
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post #9 of 54
Thread Starter 
Quote:
Originally Posted by dragosmp View Post
If you wouldn't overvolt and OC very high maybe yes, but overvolting both cards and the CPU would pull probably more at peak than 600W. An 850W would be more in line with that rig.

BTW, you can test. Mount the cards and run some benches @stock speed; buy a 10$ kill-a-watt and see how much the rig pulls from the plug (don't forget to factor in ~80% efficiency). Then OC and see if it holds. You can also monitor the +12V rails in the PSU, if they were to drop below 11.8V this would be another sign the PSU is being pushed too far.

cheers
most detailed answer thanks
whats the minimum for 470 SLI?
isn't 2cables running 470 sli on a hx650 as well?
post #10 of 54
Anand says this: These are AC numbers.





How much more power does Fermi burn while OC'ing?
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