You dont need more power. You need well cooled ram.
My suprims doing 102.x hash with +1500 and around 225 Watt.
Suprims don’t have power issues . He has a gaming trio X , those cards have a power limit issue and flashing the surprim firmware fixes that .
I have a gaming trio X and i tried everything including leaving it running in 0 celcius room to make sure it’s not thermal throttling problem.
I was only able to hit 98-100mhs once i flashed the surpim Os and brought up the PL to 108 .