Jay’s Audio has many demos showing differences between pc’s in sound. Search them out if you want to. Synergy and everything makes a difference are key mantra’s that play out in practice. I have also upgraded cables from my sub board to my outlets and will be matching them to my highest grade cables in this new set up.
I would try and match your cords to your wall supply so you are not effectively choking off the available supply with resulting differences in resistance inductance and performance. Still you may need to try various cables to get the synergy you need.