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post #21 of 30
http://www.anandtech.com/show/4008/n...rce-gtx-580/17

stock i7 should be the same if not less power consumption than an overclocked previous gen Phenom.
So 452x.87 = 394w. Still ok for 610w with 41A on 12v.


Quote:
Originally Posted by thealex132 View Post
By that logic you only need 400w for SLI. You cannot do SLI 580's on 400w. Don't try to confused calculated wattage with efficiency factored in AND a limiter which can and does turn off into your calc and ontop of that slap the efficiency decrease.

50w perif + 180 cpu/ram + 270 gpu = 500. Efficiency, lets assume its 80% = 400w.
Thats a rough mix but better than yours, and I cba to make it detailed right now I have some 21'st May redemption dieing to do
Quote:
Originally Posted by LOL_Wut_Axel View Post
No. No, it wouldn't. His Power Supply will run both with the CPU heavily over-clocked just fine.

The GTX 580 consumes a bit over 150W with the limiter on. That's pretty much nothing. His CPU OCed to 1.4V will consume around 150W as well. Including peripherals adds 50W. All in all, around 350W at the wall. Taking into account 80% efficiency, the PSU will only have to produce around 280W.

OP, don't worry. Your PSU won't break a sweat.

Edited by Alex132 - 5/20/11 at 4:47pm
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post #22 of 30
@LOL_Wut_Axel
You are mistaken there is no any limiter for normal applications such as games,and 580 can draw easily 250w in current games.I think real limiter is around 300w.So that is what should be used in calculations about psu requirments.
Limiter you are talking about is only for applications nvidia considers unsafe to use at all,such as furmark or occt gpu test.These app can make card draw even more then 300w,which can sometimes make vrm chips overheat and fry.
So to prevent this,nvidia invented this limiter,which has nothing to do normal card usage,such as gaming,as this limiter is off course not active,as it would seriosly affect card perfomance ( lower it )
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post #23 of 30
When I looked at the title of the thread, the song "I Got the Power" popped up in my mind.
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post #24 of 30
Quote:
Originally Posted by digiadventures View Post
@LOL_Wut_Axel
You are mistaken there is no any limiter for normal applications such as games,and 580 can draw easily 250w in current games.I think real limiter is around 300w.So that is what should be used in calculations about psu requirments.
Limiter you are talking about is only for applications nvidia considers unsafe to use at all,such as furmark or occt gpu test.These app can make card draw even more then 300w,which can sometimes make vrm chips overheat and fry.
So to prevent this,nvidia invented this limiter,which has nothing to do normal card usage,such as gaming,as this limiter is off course not active,as it would seriosly affect card perfomance ( lower it )
Read my comment and stop trying to argue over something with no point. The Power Supply will handle 340-350W fine.
    
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post #25 of 30
Quote:
Originally Posted by LOL_Wut_Axel View Post
Read my comment and stop trying to argue over something with no point. The Power Supply will handle 340-350W fine.
Yes but you originally stated it would draw a measly 280w, which under that assumption he could use SLI 580's on this GPU rather easily.
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post #26 of 30
Thread Starter 
please stop the useless bickering lol the point has been made i CAN run a 580 aslong as i dont OC or mess with volts and to me is fine untill i get a new PSU and thanks guys for the reply's and information
    
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post #27 of 30
Quote:
Originally Posted by Evil-Jester View Post
please stop the useless bickering lol the point has been made i CAN run a 580 aslong as i dont OC or mess with volts and to me is fine untill i get a new PSU and thanks guys for the reply's and information
I would still make a thread in the PSU section and see what the people say there as well.
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post #28 of 30
I think op's system could draw up to the 400w,better cpu's with 580 could draw up to the 450w.
For sli just add another 250w which totals about 650-700w for sli
I also agree that this psu can handle the card and the system just fine
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post #29 of 30
Thread Starter 
Quote:
Originally Posted by juano View Post
I would still make a thread in the PSU section and see what the people say there as well.
going to take your advice and post as well and see what they say thanks
    
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post #30 of 30
Quote:
Originally Posted by Evil-Jester View Post
going to take your advice and post as well and see what they say thanks
No problem. I think that's a good idea, and not because the people that have helped you so far don't know what they are talking about, because they do, but just because the PSU section is the place where you will get a lot of very very experienced people to give you an answer that you can take to the bank. I would want that level of certainty when your talking about such an expensive graphics card on a PSU that may or may not be at it's limit.

EDIT: Here is a link to the jonnyguru review of your PSU that people in the PSU section will want to look at, so far it looks to be a good unit you have.
Edited by juano - 5/20/11 at 5:27pm
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