i7-8700

My computer's CPU is Intel i7-8700 (non-K) on ASUS' Prime Z370-A and I need to buy a new CPU cooler. I mostly do programming, edit images and use Office programs. Ocassionally I play Dota 2 and PUBG. Also I run Ubuntu on Virtual Box from time to time. I want to buy a Noctua cooler but I can't...

Does anyone know the safe maximum current (amperage) limit of a Core i7-8700? I cannot seem to find this information in the Intel datasheets. I'd also like to know the default value. I'm trying to undervolt an i7-8700 processor to reduce heat because of case size and constraints environmental...