https://youtu.be/f7BqAjC4ZCc?t=3m24s
So in this video der8auer is speculating that X299 motherboards with a single 8-pin CPU connector are not adequate for the high power draw of a heavily overclocked Skylake-X CPUs since he recorded a temperature of 65°C on one of the 12V wires. Jonny noted in a YouTube comment that those Super Flower PSUs with the Crystal Cube Connectors only have 3x 12V pins though.
Does anyone know which particular model is used in the video and what gauge the wires are for the CPU? I think it's 18 AWG but it's hard to tell.