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12V rail in smps

Forum CPU & Components : Power Supplies, PC Cases & Case Mods - 12V rail in smps

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nagaprasanna   09-03-2009 at 09:16:37 AM

For what all components does the 12V rail in the smps gives power.what about the other rails.does this12 v rail provide power for the proccessor to run?

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Bronze CPUs badge cjl   09-03-2009 at 09:31:53 AM

12 provides the power for most of the power hungry components, including the processor, graphics, and hard drives (among other things).

------------------------------ Asus P6T deluxe
i7 965 @ 4.2GHz (200*21), 1.384V
12GB Corsair Dominator DDR3-1600 CAS 7
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Bronze CPUs badge jsc   09-03-2009 at 10:09:40 AM

Motherboards pull comparatively little 12 volt power and fans do not pull much either.

 

All 4 fans in my Antec 900 case on LOW use about .5 amp.

 

That is one way of telling a PSU with an obsolete design - a really high 5 volt output.


Message edited by jsc on 09-03-2009 at 10:11:34 AM
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