OCZ Fatal1ty 550w PSU and ATI HD 5870 Tags: Power Supplies OCZ HD Components Last response: December 30, 2009 11:02 AM in Components Share inishoc December 30, 2009 4:13:09 AM Hello, I was wondering if my OCZ Fatal1ty 550w PSU would be able to power a HD 5870. I currently run a Phenom II 720 BE OC'd to 3.6 along with a EVGA GTX 260 core 216. I only have one hard drive and one optical drive. More about : ocz fatal1ty 550w psu ati 5870 jsc a c 144 ) Power supply December 30, 2009 11:02:21 AM Should. I figure about 10 amps for the CPU and about 15 amps for the video card. Three amps for the drives and an amp for the fans.That's less than thirty amps according to quick 'n dirty guesstimate. Can't find your answer ? Ask ! Publish Related resources : ForumOCZ Fatal1ty 550W or Corsair VX450W ForumOCZ Fatal1ty 550W PS ForumOCZ ModXStream vs Fatal1ty 700W PSU for this build? ForumOCZ Fatal1ty OCZ 550FTY 550W in a HP Pavilion a1600n Forumis this a good PSU ? ( ocz 550w ) ForumIs Cooler Master eXtreme Power Plus 550W good enough for HD 5770 ForumHD5870 vs OC'd HD 6870 ForumOCZ Fatal1ty + 5770, Amps per rail help ForumZ77 extreme4, i5 3570K, 550w PSU = Which GPU? ForumATI 5870 Give Away - Winner just confirmed:) Hope you had fun! Forum1st build, Graphics Card problem, System won't boot with new ATI 5870 ForumAMD/ ATI or Intel/Nvidia "Bang 4 Ur Buck Gaming" (Overclock Friendly) Forum6870 CrossFire on 550w ForumPSU Help ForumGeneral PSU Question ForumOCZ 600 watt to power 4850 crossfire? ForumNeed PSU reccomendations : ) ForumAre all PSU's fans on the bottom? ForumI7 Build PSU ForumPSU Required for Lancool Dragonlord K62 Case More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !