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Ampere

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March 17, 2011 3:34:06 AM

my psu is an fsp everest 600w (80plus modular), it says
18a on 12v1
18a on 12v2
18a on 12v3
18a on 12v4
whats the real amperage rating of my psu?
thanks alot..

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March 17, 2011 6:11:51 AM

That's the Amerage on each rail. That means that no single connector will have more than 18A. So if you connect two to one video card, that's 2x 18A @ 12V or 432W Max.

They're only rated for 75W per 6-pin though so 150W total is the PCI-e standard. It has to do with current (Amperage) per wire diameter more than anything.
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a c 144 ) Power supply
March 17, 2011 10:34:25 AM

According to the picture of the label on newegg, the total output is 575 watts for the regular outputs. That mean a maximum of about 48 amps - assuming that you need no output from the rest of the voltages - a hardly realistic senario.
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a b ) Power supply
March 17, 2011 2:46:34 PM

oby20 said:
my psu is an fsp everest 600w (80plus modular), it says
18a on 12v1
18a on 12v2
18a on 12v3
18a on 12v4
whats the real amperage rating of my psu?
thanks alot..



You've only provided current numbers for the +12Volt supply. In order to answer your question those numbers need to be combined with the acvailable current from the other voltages.
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March 17, 2011 7:38:04 PM

Best answer selected by oby20.
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March 17, 2011 7:44:19 PM

my friend's psu is a silverstone strider plus 600w, it says single +12V rail with 42A.
so mine has only 18A? he has a better psu?
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