The PS5's cooling fan will be optimized in future firmware updates, depending on how hot or cool future games cause the console's processing unit to become. In an interview with 4Gamer.net (translated by orzkare on ResetEra), PS5 Mechanical and Thermal Design Engineer Yasuhiro Ootori revealed that Sony plans to update the fan based on the effects upcoming games have on the console's APU. The APU, or Accelerated Processing Unit, is the chip that powers the PS5 - it's a hybrid CPU/GPU. "Various games will be released in the future, and data on the APU's behaviour in each game will be collected.