If you prefer ISO format, use or makeps3iso to convert folder games to ISO, then split the ISO with Split4G. This gives you cleaner file management.
While the concept sounds technical, the user interface for Split4G is generally straightforward. Here is how the typical workflow looks: split4g pc tool to split large 4gb ps3 fil exclusive
How to Use Split4G: The Ultimate Fix for Large PS3 Files on FAT32 If you prefer ISO format, use or makeps3iso
It is lightweight, free, does one job perfectly, and understands the PS3’s file reassembly system. Whether you are transferring Gran Turismo 6 (15 GB+), God of War III (35 GB), or The Last of Us , Split4G will get your files onto that USB drive without error messages or frustration. Here is how the typical workflow looks: How
: Plug the drive into your console, open your backup manager, and select the game. You will likely be prompted to copy it to the internal HDD to rejoin the files.