Originally posted by infil
apokalipse: Didn't see your post till after my 2 post yea my brother has the 7800GT and when he had a 450W powersupply gave him error you dont have enough power to run this at high graphics so he bought a 550W thats why i am getting a 550watt
some 450W PSU's do not actually give 450W except at peak. the OCZ 450W PSU can constantly output 450W, and if it needs to, it can run at up to 550W for a while.
although OCZ does have a 520W PSU, if you think you'll need more