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 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, Related resources How man 12v amps will I need to crossfire two 5850s? - Forum help with 4850s crossfired - Forum Will this power supply run 4850s in crossfire ? - Forum Corsair 650W good enough for two 4850's in crossfire ? - Forum 4850s and PSU question... - 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 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 jjb8675309 February 13, 2011 9:06:31 PM Best answer selected by jjb8675309. 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 jjb8675309 February 13, 2011 11:48:35 PM yeah I ditched it a while back but was just checking on this old post thanks iceclock a b ) Power supply February 13, 2011 11:49:25 PM no prob Can't find your answer ? Ask ! Publish Related resources: ForumUnderperforming 4850s Forum3 Questions About 4850s in Crossfire Forum550vx enough for 4850 crossfire ? ForumHow do I crossfire two 4850s Forum650W great enough for two 4850's ? and two 4850's on AMD board? ForumWhats enough amps on the + 12V rail? ForumIs my PSU providing enough Amps on the 12V rails? Forum28 Amps on 12v rails enough for X1950XT ? Forum(help) not enough power on 12v rail? Forum1000w psu enough for two 6950's in crossfire ? ForumPSU Help Forumbest psu out of these 3? ForumIs the core i3 enough? Forum480W Power Supply enough for Nvidia GeForce GTS 450? Forum480W Power Supply enough for XFX ATi Radeon HD 5770? (Urgent) More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !