PS4 backwards compatibility: Can You Play PS1, PS2, and PS3 Games on PS4?
Is PS5 Backward Compatible? Yes, With a Few Exceptions
Amazon.com: OUBANG Control for PS4 Controller, Game Remote for Elite PS4 Controller with Turbo, Steam Gamepad Work with Playstation 4 Controller with Back Paddle, Scuf Controllers for PS4/Pro/PC/IOS/Android Gamer : Video Games
Can you play PS4 games on PS5? PlayStation backwards compatibility | Radio Times
Is the PS5 backwards compatible with PS2, PS3, and PS4 games?
PS4 Backwards Compatibility: Can I play classic games on PlayStation 4? | Trusted Reviews
Is The PS4 Backwards Compatible?
PS5 can read PS4 discs, backwards compatibility for all but 10 games | Metro News