Hi, im looking to buy a modular power supply 750 watts. for around 140 dollars canadian. I see some the options that say 12 pins...how do pins work? will most power supplies have 16 pins? what are pins? i just posted an imagine. most modular power supply have many 8 pins right? do i plug in (x2) 8 pins and im good to go? also anyone know when or if there will be a rog stix 4070 non ti version?