Best Aio for i7700k

[DrHerbst]

I am looking for an aio since i am currently reaching 75c on load with my
Noctua NH-U9S in 4.5ghz boost. Anyone any experience on aio's ? (Max 280mm)

 

[PC Tailor]

All In One coolers will often be equal or even less effective than the best air coolers. The best air coolers, are better than the best AIO. Custom loops have more benefits, but equally require more upkeep and the upfront work.

I would invest in a top end air cooler if you don't want to go down the custom loop route: such as Noctua NH-D14 or 15, or a CRYORIG R1 ULTIMATE.