>>106984089
I don't recommend the NH-U12S, even the G1 NH-D15 thermally throttles the 14700K in maximum multicore loads.
The 240mm top is already better than any air cooler, I'd get the 240mm Nautilus for the top. This cooling is good enough for gaming.
https://www.corsair.com/us/en/p/cpu-coolers/cw-9060088-ww/nautilus-240-rs-liquid-cpu-cooler-cw-9060088-ww
https://www.youtube.com/watch?v=zTHCPsM5ECw