Sorry, that's complete BS you are posting here. You don't need a 450W PSU to run a normal system with a 3870 - even most high-end systems stay well below 300W power consumption most or all the time. And this card is not high-end. And, to make it clear, this card doesn't need 30A on the 12V, because...

Fred, I would highly recommend sticking to the manufacturers recommended PSU size. The box says it needs 30amps on the 12v. It will be able to support any type of display you have. If you need help calculating what PSU size you will need here's a good PSU calculator for you. http://www.extreme.outer...

I just got one of these cards and unfortunately the heatpipes are soldered on. Great card though.