This presentation by Mark Cerny, Leader of the PS5 Program Structure, takes a closer look at hardware system design and how the PS5 is designed to benefit developers and games that they will develop.
The PlayStation 5 is based on the eighth generation third-generation AMD ZEN2 Ryzen CPU cores and AMD Radeon Navi (4K gaming) GPU processors and has an 825GB SSD, which can be expanded with the M2 SSD.