I thought my PS4 was noisey for a few days.. then i realized the stand that it was sitting on was vibrating and hitting the wall. I moved the stand 5 mm away and back to silent.
I returned the first one i bought and the second was the same, noise bugs me so i'm not sure i believe the silent folk.
super quiet, only audible while installing, and freakishly cool running considering it's size.
Yep, I've got a noisy one too. I feel your pain OP.