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PSU question for the blues

PSU question for the blues
« on: December 07, 2011, 03:22:51 pm »
im getting a blue screen that pops up shortly after the windows screen loads.  and someone asked me how many rails I have in my PSU, whats a rail? and what are the benifits of rails if I have more than one? how do they work?




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Re: PSU question for the blues
« Reply #1 on: December 08, 2011, 05:39:48 am »
Hi Ismael,  ;)

Please read this weblink:

Very good infos.

Other infos :
Like how search infos for PSU...,7539.msg59654.html#msg59654

« Last Edit: December 08, 2011, 05:44:42 am by Gloup_Gloup »

Dark Mantis

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Re: PSU question for the blues
« Reply #2 on: December 08, 2011, 06:10:19 am »

The rail is just another word for output line. Some PSUs have the 12v output as a single line and some have it split into anything up to about eight lines. The spec often looks like this 12v1, 12v2, 12v3, 12v4 etc that would be an example of a four rail output. Quite often iot will have the maximum load after each rail number so it woulkd look like this 12v1 - 18A. This means that the most power available for anything connected to this rail(cable loom) would be 18A or 490W.

As a general rule it is better to have a single 12v outlet rail if possible.

Hope this helps.
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