No, the PS5 won't be backwards compatible with PS3, PS2, or PS1 games - Clocked
Amazon.com: AC Power Cord Compatible Sony PS3 Slim / PS4 Slim Playstation 4 / PS5, Xbox Series S, Xbox Series X, Xbox One S/X Game Console Power Supply Cable Replacement : Video Games
PS3 backwards compatibility on PS5 soon ? | GBAtemp.net - The Independent Video Game Community
PS5 Backwards Compatibility: Can You Play PS3, PS2, and PS1 Games on PlayStation 5? | Push Square
Why You Should Buy A PS3 (Backwards Compatible) With A PS5 - YouTube
Is the PS5 backwards compatible with PS2, PS3, and PS4 games?
PlayStation Store gets PS3 games: is PS5 backwards compatibility next? | Metro News
Is the PS5 backward compatible? - Android Authority
Reaction: Sony's Storefront Closures Put PS5, PS4 Backwards Compatibility Efforts Back in Focus | Push Square
Recently there's an influx of “PS5 backwards compatible” articles on google reporting it will play ps1 through ps4 titles. If it's true, much respect to Sony. : r/PS3
PS5 will have Backwards Compatibility with PS3 due to this Hardware Update... - YouTube