Synergy with matching cables?

I am currently running Zu Audio speaker and phono cables. I may look to upgrade my main power cables for my amp and turntable. Is it preferable or is there an added benefit to having brand consistency with cabling or does it not matter?

Thanks,

Aaron

VPI Scout 1.1
Soundsmith Zephyr MKII
Rogue Audio Cronus Magnum (KT120)
Zu Audio Soul MKII
Zu Cables