Sony Patent Suggests PS1, PS2, and PS3 Could Be Backwards Compatible Via the Cloud - IGN
No PlayStation 5 backwards compatibility for PS1, PS2, and PS3 titles and very fake-looking hefty PS5 retail box gets overshadowed by Miles Morales concept design - NotebookCheck.net News
Backwards Compatibility - PlayStation 5 Wiki Guide - IGN
PS5 patent suggests PS3, PS2 and PS1 backwards compatibility is coming | Laptop Mag
PS5 isn't backwards compatible with PS1, PS2 or PS3 games | VGC