Solved Is 51 Amps on a 12v enough to power two 4850's in crossfire? Tags: Power Supplies Crossfire Power Components Last response: February 13, 2011 11:49 PM in Components Share jjb8675309 September 18, 2010 9:01:29 PM Is 51 Amps on three twelve volt rails enough to power two radeon 4850's in crossfire with a very basic pc setup? The powersupply specifically is the coolmaster 600w which i know is not the greatest but the 12v rails seems to have decent amps: the rails are 12v1: 18 amps, 12v2: 18 Amps 12v3 15 Amps is it enough to power two 4870's? Thanks More about : amps 12v power 4850 crossfire obsidian86 a b ) Power supply September 18, 2010 9:03:23 PM what model cooler master is it?gx ?no,extreme power ? no,silent pro yes m 0 l jjb8675309 September 18, 2010 9:22:55 PM obsidian86 said:what model cooler master is it?gx ?no,extreme power ? no,silent pro yes the model is a V600 silent 140mm 600w coolmaster, im assuming its not the silent pro, m 0 l Related resources 500W with two +12v @ 22 amps power supply. Will it work on Sapphire r9 270x Vapor X - Forum How man 12v amps will I need to crossfire two 5850s? - Forum Corsair 650W good enough for two 4850's in crossfire? - Forum is an EVGA 750w power supply enough to crossfire two Sapphire 7770's? - Forum Can't find your answer ? Ask ! Get the answer jjb8675309 September 18, 2010 9:28:28 PM it is a COOLMAX V600 Silent 140mm 600w PSU not a coolmaster sorry m 0 l Best solution obsidian86 a b ) Power supply September 18, 2010 9:57:53 PM that's a whole lot worse then cooler master i wouldn risk it even if it says 51 amps i don't believe it can output 51 amps Share jjb8675309 February 13, 2011 9:06:31 PM Best answer selected by jjb8675309. m 0 l iceclock a b ) Power supply February 13, 2011 10:47:59 PM yes, most coolmax powersupplies have horrible power ratings, they have a few good ones in the high end , but still wouldnt touch that with a 10 foot poll m 0 l jjb8675309 February 13, 2011 11:48:35 PM yeah I ditched it a while back but was just checking on this old post thanks m 0 l iceclock a b ) Power supply February 13, 2011 11:49:25 PM no prob m 0 l Can't find your answer ? Ask ! Publish Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !