Now that is a clogged up Heatsink! - TDR - National Repair Center
Do not let your heat sinks get this clogged up! You need to get the system cleaned asap! or else you are stuck with e jet engine noise coming from your PS4. This is not only annoying. but 6 months of the jet engines and you will definitely get the blue light of death.. Now that's a nasty repair and very difficult fix..
Do not do it to yourselves. We offer $39 cleanings! Do not wait just get your system cleaned today!