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single +12v rail vs multiple rails

Last response: in Components
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a c 85 ) Power supply
January 28, 2007 4:43:41 AM

I think it makes a lot less difference then people realise. Unless the multiple rails are "made" seperately, multiple rail PSU start as a single large rail and split into smaller rails. "True" multi rail PSU exist, but are very expensive. In the end, it doesn't really matter.
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January 28, 2007 5:10:30 AM

Quote:
Single rail is better and are generaly high quality unit. That said they are also more exspencive. The great majority of PSU availible have multiple current limited +12v rails. They are also cheaper and besause of that are the more widly used PSUs. Right now the top PSUs availible are single rail units from PC Power & Cooling.

http://www.newegg.com/Product/ProductList.asp?N=2010320...


holy sweet jeebus, that quad of 750 watts ( 885 peak )
is 60amperes in the 12V rail o_O
January 28, 2007 5:55:57 AM

/Sigh I wish PC Power and Cooling didn't wish it was sin to make a modular power supply.
!