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PSU Voltage


FPCH New Member
Jan 4, 2007
Hi, i recently aquired a bfg 7800 gtx oc. i need a new psu for my computer and i cant figure out witch one. i ran a pc voltage calculation and with the new gc it says i need about 500 w. for my gc it says i need a 12v rating of 26a or higher. while looking on http://www.xoxide.com/ultra-x-connect2-uvblue.html <<<---- that page i saw # +12V1: 17A
# +12V2: 18A. i was wondering if that would add up to run my card so it would have a rating of 35a or its 2 different ratings that were completely different.


FPCH Member
Jan 21, 2006
Telford, UK
I think the power supply you provided a link for will definitely run that card sufficiently. If not, you can simply return it for a refund or exchange it for a more powerful model.
Sep 6, 2008
PC Experience
Very Experienced
Operating System
Yes that will be fine. the two ratings add together to make the total ampage becuase that power supply has to 12v rails on it to supply electricity to the bigger components like the processor and your graphics card. normally i wouldnt trust those power supply calculators. when buying a psu its always best to over estimate a bit anyways.