Multi Rail Vs. Single Rail Power Supplies @ ThinkComputers.org
 

Ever since multi-rail PSUs were introduced, we’ve seen enthusiasts adamantly claim that one or the other PSU type is better. Some claim single rail is better for overclocking. Some claim multi-rail is safer. Single rail is cleaner. Multi-rail more efficient. The list goes on and on, so who’s right? People on either side argue their points and pick up uninformed followers along the way, resulting in the same rehashed marketing over and over again from companies playing on this vehement fanboyism: A single strong 12v rail! Multi-rail for extra stability! Blah blah. Which is better? How does this apply to me? Keep reading, and I may just give you an answer.

http://www.thinkcomputers.org/settli...ower-supplies/