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how much power will i need for 4 HD 5870s? - Page 4

post #31 of 34
Anything with the proper amount of native connectors should do.

Sig rig hits 650w on the kill a watt running at 1.225v/1ghz each.
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post #32 of 34
I made another thread, and phae recommended 1kw for 2 5970s,


so since 4 5870s= more than 2 5970s, probably wanna consider 1kw unit
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post #33 of 34
Quote:
Originally Posted by PureOC Jim;13913510 
You have to be nuts looking at a 700W for (original)4 cards. Minimum 1000W. You do not want to load up a PSU or it will have a short life and if you do not have enough ampos, kiss a card buh bye.

I have no idea why you are making this thread and getting multiple 1000W+ recommendations and coming up to this conclusion. I do not want to be a jerk about this but that's insane. If you spend the $ for the cards, you have to play with a PSU large enough. You will need min 650-700W just for the cards dude.

And then you downgrade to 5770's.

If your not going to be serious about this and keep changing the game, make up your ming what you want and finalize it so these guys can make a recommendation.....


If your going 4 x 5770's your better off with 2 x 6970's or 6990's

FYI 4 5770's is like $400 - What he is looking to do the 5770's are a very good choice.
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post #34 of 34
Thread Starter 
Quote:
Originally Posted by PureOC Jim;13913510 
You have to be nuts looking at a 700W for (original)4 cards. Minimum 1000W. You do not want to load up a PSU or it will have a short life and if you do not have enough ampos, kiss a card buh bye.

I have no idea why you are making this thread and getting multiple 1000W+ recommendations and coming up to this conclusion. I do not want to be a jerk about this but that's insane. If you spend the $ for the cards, you have to play with a PSU large enough. You will need min 650-700W just for the cards dude.

And then you downgrade to 5770's.

If your not going to be serious about this and keep changing the game, make up your ming what you want and finalize it so these guys can make a recommendation.....


If your going 4 x 5770's your better off with 2 x 6970's or 6990's

btw... 4 5770s is $400... 2 6970s or a 6990 is $600-$800
Quote:
Originally Posted by Stizuner;13913743 
FYI 4 5770's is like $400 - What he is looking to do the 5770's are a very good choice.

im not looking to game on these cards... they will be used for a type of "folding" tongue.gif... im just looking for the lowest wattage i can get away with to run these cards... if i do end up going with the 5770s i will probably get the single slot version and use like 6 of them... im just trying to gauge weather it is better to get 6 5770s in a machine, or go with the 58XX series/6950s... im sorry if im just confusing people, but i would like to know the minimum wattage i could get away with with like a minor OC (i will obviously still get one with some head room)
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