single +12v rail vs multiple rails

http://www.sapphiretech.com/en/forums/showthread.php?t=1005
says single rail is better for high end system. what to get single or multiple rail?
4 answers Last reply
More about single rail multiple rails
  1. if you want POWER on a single rail here it it..
    http://www.newegg.com/product/product.asp?item=N82E16817163111
    This one rocks!
  2. 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.
  3. 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=2010320058&Submit=ENE&Subcategory=58&Description=PC+Power+%26+Cooling&Ntk=all


    holy sweet jeebus, that quad of 750 watts ( 885 peak )
    is 60amperes in the 12V rail o_O
  4. /Sigh I wish PC Power and Cooling didn't wish it was sin to make a modular power supply.
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