How big psu i need? Tags: Power Supplies Intel i7 Crossfire HD Components Last response: April 19, 2012 8:44 AM in Components Share Miks1890 April 19, 2012 5:06:53 AM im going to a new pc and i dont know how big psu i need?im buying intel i7 2600k and hd 6870(crossfire later) More about : big psu gary1 a b ) Power supply April 19, 2012 5:35:48 AM A GOOD 750W will be enough for 6870x2. I.e. Corsair, Seasonic, XFX, PC Power, and Silverstone. 4745454b a c 80 ) Power supply April 19, 2012 6:28:59 AM Indeed. Even a 650W from above could do it. Can't find your answer ? Ask ! Get the answer Pyree April 19, 2012 8:44:34 AM The title of this topic has been edited by Pyree Can't find your answer ? Ask ! Publish Related resources How big PSU do I need Forum How big PSU do i need ? (just blew old one up) Forum How big a psu do i need ? Forum Final Build critiques and how big of a PSU do i need ? Forum How big PSU do I need for the following system? Forum How big of a PSU will i need ? Forum How big a psu do I need ? Forum How big of a PSU do I really need ? Forum Big enough PSU ? Need advice! Forum How Big of a PSU do I need (Wattage) Forum How Big of a PSU do I need ? Forum How big of a power supply do I need Forum Need help choosing a PSU , having big trouble! Thanks! Forum How big psu to buy? Forum How big of a power supply do I need ? Forum 500w PSU Forum [Solved] How much watts do I need? Forum How many watts do I need for 2 GTX 570s? Forum [Solved] PSU - How much do i need? Forum How many watt of power supply do I need for my Desktop? Forum More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !