The PlayStation 5 may play PS1, PS2, and PS3 games via the cloud
Amazon.com: PS5 Carrying Case, Compatible with PlayStation 5 Console/Controllers/Headset/Games - Protective Travel Case with Hard Shell & Customized Foam for Storage (Classic PS1 Style) - Not for PS5 Slim : Video Games
for ps1 style ps5 standard disc| Alibaba.com
No PlayStation 5 backwards compatibility for PS1, PS2, PS3 - 9to5Toys
Sony PlayStation 1 PS1 PSone Console + x2 Official controllers + 5 Free Games | eBay