Cazlone Posted August 22, 2005 Posted August 22, 2005 Just a quick question regarding the 12V rails on my PSU. It has 2 rails, combined its rated at 34A, split each rail is up to 20A. If I have all 4 power connectors connected on my NF4 SLi-DR, would I be better off using the split rails or running in combined mode? When using split rails, does the PSU run one rail into the the ATX 24 pin connector and everything else off the second rail? Is this therefore more stable as the CPU gets its own power supply effectively? I'd appreciate the education.... Share this post Link to post Share on other sites More sharing options...
RDX-CyClo Posted August 22, 2005 Posted August 22, 2005 i believe the 2nd rail is for your pci-e connectors if u don't use does 6-pin connectors (like a 6600gt) then i would go for combined power Share this post Link to post Share on other sites More sharing options...
supershanks Posted August 22, 2005 Posted August 22, 2005 12v1 drives CPU 12v2 drives everything else. this means that on AMD64 systems that draw less power than Intel the 12v1 rail is underutilised. see PSU's---2 x 12v---The Dual Rail Myth At least with the model you have you can optimise the 12v output :nod: Share this post Link to post Share on other sites More sharing options...
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