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PC Power Supply Discussion Troubleshooting and discussion of computer power supplies

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  #1  
Old 10-12-2009
tarr tarr is offline
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Default recommend power supply pls@1000w+
hi.im thinking about get over 1000w power supply.
my current system is
i7 920@4.2@1.22v
gtx285 sli
CM hf932
Ultra120 extream
rampage2

and i have antec 850 quattro but i dont feel comfortable with this power.
when i running prime95 or occt test voltage dancing around even idle
hoping get higer clock with better power supply also.

thx for advance!
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  #2  
Old 10-12-2009
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RSC RSC is offline
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You don't need more than 850w. A 1000w PSU would be overkill for your rig.

As for the OC, having a better PSU won't improve your overclock.
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Old 10-13-2009
Zero82z Zero82z is offline
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Your current PSU is fine, and like RSC said, you won't improve your overclock by getting a more powerful PSU. Also, OCCT's voltage readings are meaningless. If you really want to monitor your voltages properly, the only way to do so is with a decent digital multimeter.
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Old 10-13-2009
tarr tarr is offline
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but eXtreme Power Supply Calculator saying i need 1036w tho.
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Old 10-13-2009
Zero82z Zero82z is offline
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It's wrong. You don't.
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Old 10-13-2009
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I agree with others ... let's be real ... that machine of yours is taking no more than 500W under load (even under unrealistic one as OCCT).

You have a very fine PSU and as far as that calculator is concerned ... it's extremely inaccurate (I have checked in practice with a watmeter).

For voltage measurements the mentioned voltmeter is the way to go
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Old 10-14-2009
tarr tarr is offline
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thx guys!! what if i make total of 3gtx285? should be ok?
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Old 10-14-2009
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Quote:
Originally Posted by tarr View Post
thx guys!! what if i make total of 3gtx285? should be ok?
In that case you might be pushing it a little.
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Old 10-14-2009
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go for bfg ex1200?
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Old 10-14-2009
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Quote:
Originally Posted by tarr View Post
go for bfg ex1200?
http://www.jonnyguru.com/modules.php...Story&reid=145

also tripple sli don't scale well....

dual sli is good but tripple isn't worth the upgrade
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