Overkill much?

This unconventional NUC mod is pairing the i7 Bean Canyon with the gigantic Thermalright Le Grand Macho RT CPU cooler. While the 28W i7-8559U is kept under 65°C, the tiny original NUC case is not designed for passive cooling whatsoever and internal components - including the RAM - reach unhealthy temperatures under heavy load.

Source: gaojitui