Amazon.com: PS2 PS3 PS1 AV Cable, Audio Video AV Cable Cord for PS2 PS1 PS3, AV to RCA Composite Audio Video, TV Cord Compatible with Playstation 1 2 3, 2.5M/8.2FT : Video Games
PS5 backwards compatibility will cover all PS2, PS3, and PS4 games according to Turkish retailer - NotebookCheck.net News
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Defender Wireless Controller for PS1, PS2 & PS3 – Retro Raven Games
Sony confirms PlayStation 5 will not support PS1, PS2, or PS3 titles - Neowin
PS5 patent suggests PS3, PS2 and PS1 backwards compatibility is coming | Laptop Mag