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how much power will i need for 4 HD 5870s? - Page 3

post #21 of 34
You could consider two 650s or 750s in tandem, too. Then you have plenty of overhead.
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post #22 of 34
If this helps, the AX1200 is on sale for this weekend
http://www.newegg.com/Product/Produc...82E16817139014
$259.99 with promo code EMCYTZT527
and $20 off after an MIR. So if you follow through with that, one of the best, if not the best, 1200W psu for $240.
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post #23 of 34
Thread Starter 
ik that i origonaly asked about 5870s, but whats the smallest you think i could get away with for 4 5770s? would like a 700W work?
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post #24 of 34
Quote:
Originally Posted by eskamobob1 View Post
ik that i origonaly asked about 5870s, but whats the smallest you think i could get away with for 4 5770s? would like a 700W work?
Easily, the 5770 is a 100W card.
post #25 of 34
If your using this for what I think you are then you should also remember that you get half the Mhash/s as a 5870 from a 5770. also each client uses a full cpu core (in addition to the gpu core)
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post #26 of 34
Thread Starter 
Quote:
Originally Posted by tagurtoast View Post
If your using this for what I think you are then you should also remember that you get half the Mhash/s as a 5870 from a 5770. also each client uses a full cpu core (in addition to the gpu core)
Ik the hash part, but had no idea about the core issue :eel: I was gunna put like 6 or 7 single slot in one system (or atleast i was trying to see if it would be profitable)
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post #27 of 34
______ ___ing uses like 1% of CPU.
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post #28 of 34
Thread Starter 
Quote:
Originally Posted by reflex99 View Post
______ ___ing uses like 1% of CPU.
Just realized this... Ppl run 4 cards off of 1 core CPUs all of the time
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post #29 of 34
Get a bedsheet and projector and play at a huge resolution.
post #30 of 34
Quote:
Originally Posted by eskamobob1 View Post
ik that i origonaly asked about 5870s, but whats the smallest you think i could get away with for 4 5770s? would like a 700W work?
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
Edited by PureOC Jim - 6/17/11 at 8:24pm
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