Unlike emulators for the Nintendo Wii or PlayStation 1, RPCS3 does not currently support a "native compressed format" (like .cso or .chd ) that can be run instantly without unpacking.
Thanks to massive advancements in emulation technology, specifically the RPCS3 emulator , playing these games on a PC is better than ever. However, PS3 games are notorious for their large file sizes, often exceeding 20GB-40GB per title. ps3 emulator games highly compressed