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Why single rail is NOT better than multi rail - Page 7  

post #61 of 172
Quote:
Originally Posted by Live_free View Post
Is enermax even good?
they have some mediocre offerings but mostly they are on par or better then antec,corsair and seasonic

honestly you can do much worse then enermax,their revo galaxy's are still some of the best in their class
Edited by obsidian86 - 2/19/11 at 2:45am
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post #62 of 172
I'm worried about my PSU now. I assume it's a single rail.. :S
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post #63 of 172
Forgive me if I missed this but how did the short happen in the first place? And even if was "user" fault, that kind of short, to be quite frank, happens very seldom. You are right about taking the risk with anything over 500watts but still.

And also, if single rail power supplies were that bad, manufacturers would not even make them. So people that are "worried" about their single rails, you are fine.
post #64 of 172
Quote:
Originally Posted by Markeh View Post
I'm worried about my PSU now. I assume it's a single rail.. :S
Dual 22A, I believe.
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post #65 of 172
I did just check the Be Quiet website, and it does say dual-rail. Which I assume is slightly better. I'm not OCing so hopefully we shouldn't have a problem.
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post #66 of 172
learned something new today...thanks
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post #67 of 172
Quote:
Originally Posted by Mongo View Post
Have you heard of rail fusion? Would that disable the protection also? Is it good/bad?

http://www.mushkin.com/Power-Supplie...ule-1200W.aspx
Quote:
Originally Posted by Phaedrus2129 View Post
Rail fusion is marketing speak to make single rail sound even MORE awesomeamazing than just saying "single rail" would.
FusionRail is something offered on some Topower units. It allows you to toggle a switch on the back of the unit between having OCP on and turning it off.
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post #68 of 172
Good read. repped
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post #69 of 172
Uhmm isnt it so that with a high power psu on a single rail you can just overload a component alot because it can diliver like 100A on 1 rail.

Thats just overload though and is dependent on the component you have hooked it up to, its the component that ask the Amps and the PSU delivers.

If that component is faulty and ask huge Amps like 90A but your PSU is 100A then it will just feed it since its a single rail and up for that task. the component will get hot and catch fire, not the fault of the PSU

so thats not the PSU fault but the fault of that component.

When you have a short circuit you will draw ALOT more then 100Amps and the PSU will shut off inmediatly. a short circuit is like running 12V on a resistance less then 0,1 ohm or so [most times even lower like 0,01 ohm] 12V x 0,01 ohm is 1200 amps. trust me any proper PSU will shut down very fast with that. otherwise the PSU itself will burn up really quikly.

in the case what OP showed i bet its the board that was faulty and asking something like 80A, resulting in a PSU that will just feed it and a board catching fire.
Again not the fault of the psu but of the board.

Single rail can only be a bit worse in cases like this when the other component are faulty. it rarely has to do something with the PSU.

A high powered multi-rail PSU would have giving the same problem. 35A per rail can still set things on fire if drawn to 1 component.
so please dont think this cant happen with multi-rail because it can.
you might only be a little safer if you have a low power multi rail psu.
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post #70 of 172
It was a fault in the MOSFET failing on the board.

Yes the board is what fried itself, and the PSU only did what it was asked; the point of OCP is to keep instances like that from happening.
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