Ati hd 5770 power supply be quiet 450W Tags: Power Supplies Sapphire ATI Components Last response: July 5, 2010 9:18 PM in Components Share Anonymous a b ) Power supply July 5, 2010 9:11:20 PM I own a PSU be-quiet 450W, and a bought sapphire hd5770, at sapphire website says i need at last a 500w PSU, but ati website says 450W. May i have problems? http://www.sapphiretech.com/presentation/product/?leg=&... http://www.amd.com/us/products/desktop/graphics/ati-rad... More about : ati 5770 power supply quiet 450w rolli59 a c 722 ) Power supply July 5, 2010 9:18:38 PM You will be fine with that PSU if it is the same one as in this review http://www.bjorn3d.com/read.php?cID=989&pageID=2709 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 !