There are two types of PS5 fans.
Is the PlayStation 5 really a model of silence? It really depends on the copy you come across. Indeed, all consoles are not materially identical in terms of their cooling.
Different fan models, different noise profiles It wasn't until a few minutes of disassembly that the rose pot was revealed - the two machines just don't use the same fan model. The differences between said models are far from trivial, as the shape and density of the blades show pronounced variances. It is therefore not surprising that their acoustic performance is not similar.
Fan A silent
Fan B loud (sounds like old noisy refrigerator)
Audio of fans A, B and coil whine included: