A Sony engineer has revealed that the size of the PS5’s cooling fan is responsible for the console’s large stature.
The explanation comes via an article from Japan’s Nikkei Xtech, which features an interview with PS5 Mechanical and Thermal Design Engineer, Yasuhiro Ootori. PlayStation fans will know Ootori from the recent PS5 disassembly video.
The article notes that the size of this cooling fan determined the size – especially the thickness – of the PS5. The 45mm fan ensures air is sucked in from both sides of the console to cool both mainboard, known as the “A side”