Image] An interesting look at the cooling system found in the PS4 versus the PS3's. : r/PS4
ElecGear Internal Cooling Fan for PS4 Pro, PlayStation 4 Pro CUH-7xxx Replacement CPU Heatsink Cooler, Thermal Compound Paste and Repair Tool Screwdriver Kit : Amazon.co.uk: Computers & Accessories
How to Disassemble, Clean and Reassemble a PS4 Slim: 14 Steps