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GTX 580(no OC) + GTX 460 1GB(downclocked) on a Corsair VX550W?

post #1 of 9
Thread Starter 
I recently upgraded to a GTX 580 and really don't want to sell my old GTX 460. I plan on using it as a second card dedicated to running my HDTV which is right beside my PC. do you guys think the 550W will be enough?
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post #2 of 9
No - 580 is already recommended using a 500W - a 460 on top of that is going to need ~ 650W
http://www.overclock.net/power-suppl...alculator.html
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post #3 of 9
Thread Starter 
damn, looks like I'll be upgrading my PSU :/ thanks for the quick reply(+repp)
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post #4 of 9
FIRE IN DA HOLE!!! I wouldn't run it on less then a quality 750 watter.
    
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post #5 of 9
Quote:
Originally Posted by Modus View Post
damn, looks like I'll be upgrading my PSU :/ thanks for the quick reply(+repp)
It would run, but I wouldn't recommend it.

I've run two 6870's (note we have the same PSU) at full load, but even that was cutting it close and is less demanding than what you're going to do. IIRC it drew approximately 500W at the wall. Constantly putting a load like that on the PSU will drastically reduce it's life.
    
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post #6 of 9
Quote:
Originally Posted by i_hax View Post
It would run, but I wouldn't recommend it.

I've run two 6870's (note we have the same PSU) at full load, but even that was cutting it close and is less demanding than what you're going to do. IIRC it drew approximately 500W at the wall. Constantly putting a load like that on the PSU will drastically reduce it's life.
500 at the wall is around 425 REAL DC watts....and thats at a very generous 85% efficiency.....

not cutting it close at ALL lol
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post #7 of 9
I wouldn't recommend it either. Time to find a new psu!
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post #8 of 9
IMHO I think you would be fine. The GTX460 is going to be no where near pulling it's rated TDP. I say try it out.
post #9 of 9
I wouldnt run sli 460 on anything less than a 600w psu, let alone a 580 and a 460. Should look at a 750w psu.
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