History Of PlayStation: PS1, PS2, PS3, PS4, PS5 - Launch Prices, Specs, Games - PlayStation Universe
Is PS3 an improved PS2? I don't see much difference between the two. Does the same thing apply with PS4 and PS5? - Quora
Sony patenta un sistema de retrocompatibilidad para PS5 compatible con PSX, PS2, PS3 y PS4
Amazon.com: Power Cord and AV Cable for PS1 PS2 PS3, AC Power Cord and AV Cable Compatible with Playstation 1 2 3, 2 Prong Power Supply & Audio Video RCA AV Cable
Is PS5 Backward Compatible: Does it Play PS1, PS2, PS3, and PS4 Games? - PlayStation LifeStyle
Sony PlayStation 3 Fat PS3 80GB CECHE01 Backwards Compatible PS1 PS2 PS3 Working – ASA College: Florida