Hello, I am looking to buy a cpu cooler or air cooler for my i5 7400 here is what I have in mind
Hyper 212
Thermaltake
Cpu cooler:
Hydro h45/h60
Hydro h100i v2
you'd be fine with stock cooler.
212 will do the job at lower noise.
"wannabe liquid coolers" are pointless waste of money as half priced air coolers do the same job at lower noise without reliability issues.