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Trifire 7970's...1050w Enough? - Page 4

post #31 of 65
Thread Starter 
Could you explain why? In Laymens terms? I'm no electrician tongue.gif
Edited by SammichThyme - 2/5/12 at 1:49pm
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post #32 of 65
1050w is more than enough for Tri-Fire and overclocking.
SB doesn't consume much wattage, 7970's don't consume about the same as 6970s. You will be consuming about 850-900w when overvoted + overclocked on all 3 GPUs, and your CPU. There will be nothing to worry about. Everyone suggesting 1200w probably has the mindset that new, more powerful hardware consume more power. They're wrong.
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post #33 of 65
Quote:
Originally Posted by Alex132 View Post

don't consume about the same as 6970s.

Sure?

Anandtech:

470

470

Legitreviews:

700


Guru3d:

560


From Anandtech the 7970 used 20-30w more, Legit the same on Hawk and the 7970 ~30w more under furmark, and 3dGuru they used the same, so i guess it's fair to say that they are comparable in terms of power consumption.
Edited by Eggy88 - 2/5/12 at 3:07pm
post #34 of 65
@Eggy, those are reference 6970s. Most people think of 6970s in terms of the non-reference models, which usually draw 30-40W more even at stock clocks due to to less efficient VRM designs (either optimized for better v-reg, or just made cheaper).
post #35 of 65
Quote:
Originally Posted by Phaedrus2129 View Post

@Eggy, those are reference 6970s. Most people think of 6970s in terms of the non-reference models, which usually draw 30-40W more even at stock clocks due to to less efficient VRM designs (either optimized for better v-reg, or just made cheaper).

I see, that being said the numbers i got from my system further up are with all reference cards so they should compare to the 7970's.
post #36 of 65
I'm sorry but 1050 is enough for 3 7970's - their TDP isn't that great.
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post #37 of 65
Thread Starter 
Quote:
Originally Posted by $ilent View Post

id suggest a decent 1200w psu like others have said....
Try searching for Phaedrus' PSU calculator or PM him and see what he says, his reply will be better than any other comment here.

250

Phaedrus has spoken. I'm still confused.
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post #38 of 65
Trust in phaedrus. He knows what he's talking about.

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post #39 of 65
Quote:
Originally Posted by SammichThyme View Post

250
Phaedrus has spoken. I'm still confused.

Not sure what you are confused about. That PSU is is great for what you need. Put it in the pc case, hook it up and use it. That is about as simple as it gets. Thanks
post #40 of 65
double post
Edited by tx-jose - 2/5/12 at 4:22pm
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