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 | E-mail me updates | Report abuse Register or log in to remove gary1 Power supply Expert April 19, 2012 5:35:48 AM A GOOD 750W will be enough for 6870x2. I.e. Corsair, Seasonic, XFX, PC Power, and Silverstone. | Report abuse 4745454b Power supply Master April 19, 2012 6:28:59 AM Indeed. Even a 650W from above could do it. | Report abuse Pyree April 19, 2012 8:44:34 AM The title of this topic has been edited by Pyree | Report abuse Register or log in to remove Ask the community Publish Tom's Hardware>Forum>Components>How big psu i need?> Related ressources: ForumHow big PSU do I need ForumHow big PSU do i need ? (just blew old one up) ForumHow big a psu do i need ? ForumFinal Build critiques and how big of a PSU do i need ? ForumHow big PSU do I need for the following system? ForumHow big of a PSU will i need ? ForumHow big a psu do I need ? ForumHow big of a PSU do I really need ? ForumBig enough PSU ? Need advice! ForumHow Big of a PSU do I need (Wattage) ForumHow Big of a PSU do I need ? ForumHow big of a power supply do I need ForumNeed help choosing a PSU , having big trouble! Thanks! ForumHow big psu to buy? ForumHow big of a power supply do I need ? Forum500w PSU Forum[Solved] How much watts do I need? ForumHow many watts do I need for 2 GTX 570s? Forum[Solved] PSU - How much do i need? ForumHow many watt of power supply do I need for my Desktop? More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !