Source: https://comicbook.com/gaming/2020/02/15/ps5-playstation-5-ps4-feature-heat-loud/
Source: https://www.bloomberg.com/news/articles/2020-02-14/sony-is-struggling-with-playstation-5-price-due-to-costly-parts
As we all know, sometimes the PS4 can be noisy when it gets hot, and at times sound like a jet engine, well according to comicbook.com and bloomberg.com Sony will not skimp on the PS5 cooling system.