PS3| NTFS drive not loading? try this method to copy Games on PS3 | Multiman - YouTube
How To Install PS3 PKG Files From (NTFS & EXFAT) USB/ EXTERNAL Drive| Install files Larger Than 4GB - YouTube
MultiMan can read NTFS formatted drives connected to your jailbroken PS3 as shown in the linked video so you don't need to split huge games in FAT32 drives and merge them again.