WHAT POWER SUPPLY IS NEEDED TO RUN GEFORCEGX2

dejavuband

Distinguished
Aug 4, 2011
8
0
18,510
my pc wont boot up when geforce gx2 is connected,power supply is sli and crossfire ready but its only 480 watts im just running chasis fan cpu fan 1 sata hard drive and 1 dvd writer drive,am i low on watts,oh and theres also an lcd on front of pc that draws power,my pcie slot is only version 1 would this make any diff does it need to be version 2,i can run one geforce black edition 9800GTX+easy but this card only needs 1 6 pin connector,any ideas my psu is an xpower 480 watt