Didn't know Ryzen 5 3600 could be this hot, 78c max temps on OCCT Power benchmark (stock settings: CPB On, No OC applied) even on 360 AIO and good paste (noctua nth1),
Ryzen 5 3600 Overheating -- How I fixed it with a Hyper 212 Evo! - YouTube
10 BEST CPU Coolers for Ryzen 5 3600 - Tech4Gamers