Think of an ISO as a digital blueprint of your game disc. While digital store purchases are often packaged as .PKG files (which must be "installed" like an app), an ISO functions like a virtual disc.
Because they represent high-definition Blu-ray data, these files are often large, typically ranging from 8GB to over 40GB . Why Use ISOs Instead of Folder Format? ps3 iso
A is a digital "disc image" file that contains an exact, bit-for-bit copy of a PlayStation 3 Blu-ray game disc. For enthusiasts of retro gaming and preservation, these files are the gold standard for backing up physical libraries and playing games on modern hardware via emulation. What is a PS3 ISO? Think of an ISO as a digital blueprint of your game disc
Many jailbroken PS3 consoles use "JB Folders" (loose files in a folder), but ISOs offer several technical advantages: How to Add ISO Game Files in RPCS3 [PS3 Emulator] Why Use ISOs Instead of Folder Format
A typical PS3 ISO contains folders like PS3_GAME and PS3_UPDATE , as well as a PS3_DISC.SFB file.