hahah thanks guys but the reason why i picked my videocard was for the big heat sink and fan, and its a really great card but i need to find out , do i need a bigger power supply if im going to have 2 of these , right now i have a 550 watts
we're telling you not to buy it, with or without the heatsync. buy ONE good card, and it will outperform two of those, and will cost less then you can sell your current card and come out with a smaller dent in your pocket...
If you can't be persuaded (shame) then tell me the Amperage on the +12 volt rail. Should be on the side of your PSU. There might even be two +12 volts on your PSU so list both.