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12v rails: 1 vs. 2? - Page 4

post #31 of 67
Thread Starter 
Oh, so quality and efficiency go right out the window..
post #32 of 67
Quote:
Originally Posted by DuckieHo View Post
It creates the "rails" by limiting current. If a current draw exceeds the limit, the OCP triggers and shuts down the PSU.
so in theory its not dual rail, its just limited current??
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post #33 of 67
Thread Starter 
So, is the ST50EF-Plus a good PSU for overclocking?
post #34 of 67
Really, it doesn't matter IMO. Unless you are running Dual 8800GTXs overclocked to hell and crap you do not need a $100+ PSU. Mine has dual 18A rails and it has overclocked 3 CPUs, 2 GPUs without a single hitch for 1.5 years including copious amounts of abuse. Just don't buy a Sanyo PSU or something and you'll be fine.
post #35 of 67
Thread Starter 
Opinions are good. But what about the facts?
post #36 of 67
Quote:
Originally Posted by 5CheeseLasagna View Post
Opinions are good. But what about the facts?
The fact is that is really doesn't matter. Just go with a quality PSU.
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post #37 of 67
Thread Starter 
So, the answer is Yes, the ST50EF-Plus is good for overclocking, right?
post #38 of 67
yep, its a silvie, so its fine
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post #39 of 67
Quote:
Originally Posted by 5CheeseLasagna View Post
So, is the ST50EF-Plus a good PSU for overclocking?
Yes, it is a quality PSU: http://www.silentpcreview.com/article670-page1.html
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post #40 of 67
Corsair makes some nice PSU's as well. Check out the 550vx, its around the same price. $99.00 and also comes with a $15 MIR. It's got a pretty strong single 12v rail as well (41 amp). Allows SLI/Crossfire as well if you're looking into that.


On another note, I heard there was a certain formula to finding out the 12v amperage on a multirail psu. You have to take the max combined wattage of the 12V rails and divide by 12 or something like that, is this true at all?
It looks like its true with the silverstone PSU pointed out (432w/12v=36 amps). The formula works in Physics class lol.
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