Why Is My PS4 So Loud? Reason And Quick Fix

What Makes The PS4 Noisy?

Playing With The Disc In PS4 Makes More Noise

How To Prevent The PS4 From Gathering Dust Faster

You can from time to time use a thing that serves in these side entrances to clear the dust, some like to utilize a toothbrush

By removing dust often, you control the device from getting more dirt and delay the requirement for internal cleaning.