Re: can I use a 430 watts PSU for GTX 460?
I have a system running a quad core @ 3.6Ghz 8GB memory 4 fans a harddrive and an 8800GTX with just a 6 year old antec 400Watt supply. (temp) been working for a month so far. plays games 10 hours a day for other people never an issue.
I think you will be fine If you have a decent supply pushing.