Power 'allotment' from multiple 12v rails Tags: Power Supplies Graphics Cards CPUs Power Components Last response: May 2, 2012 7:11 PM in Components Share anomaly8388 May 2, 2012 6:56:43 PM I have a technical question about multiple 12v rails that I can't seem to find an answer to anywhere. If a PSU has two 12v rails at 22 A each, can both of those rails supply power the both the video card and the CPU? Or does one rail go to the CPU and the other go to the video card? More about : power allotment multiple 12v rails dirtyferret a b ) Power supply a b U Graphics card a b à CPUs May 2, 2012 7:11:27 PM it depends on the PSU but the common set up is one rail to the CPU and one rail to everything else. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedQuestion about power supplies concerning multiple 12v rails. Forum SolvedWill multiple 12V rails on a psu affect power support? Forum SolvedWill multiple 12V rails on a psu affect power support? Forum How to power a gpu with multiple 12v rails? Forum SolvedMultiple 12v rails need help Forum SolvedxXX--*Can 5 12v rails@18a power a gtx 660ti??*--XXx Forum Multiple 12V Rails Forum Single 12V rail or multiple 12V rails? The eternal question answered Forum SolvedConfused about Power supply 12v rails Forum Confused about multiple 12v rails on psu Forum Question about AMPS on 12v with multiple rails Forum single +12v rail vs multiple rails Forum Solved4 +12v rails rated at 18amps each on a 700w can it power an ati 5770? Forum Will a gtx 660 or 760 work with a 550 watt power supply that has 2 12v 16 amp rails? Forum Urgent:Help required with PSU 12v rails power distribution Forum How to power a GPU with this PSU and two 12v rails? Forum Ocz power supplies combine 2 12v rails Forum Four 12v rails or one high power 12v rail? Forum SolvedSingle 12v Rail or Multiple Forum Solved12v Rail on power supply failing Forum More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !