Powercolor 5770 power cable

[arya_x]

Hello,
recently i have purchase a Powercolor 5770 1GB DDR5. it seems that it required additional power supply. i can't find any suitable pin (power supply socket) in supply box. pls help me. how do i fix it.

 

[jryan388]

What power supply do you have? What is its wattage and how many amps on the +12v rail?
The 5770 needs a single 6-pin +12v rail to connect, I think like 450w min for the PSU