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.
PS3] How To: FTP Transfer using Multiman and Filezilla (by raphaelligh) - Wololo.net
How to Set Up Multiman 01.16.03 or Higher for NTFS Support [HD]
Why doesn't multiman want to see my external NTFS Drive? : r/ps3homebrew
Multiman wont load NTFS USB stick? : r/ps3homebrew
Utilser Multiman - consolewii92
Ps3downgrade - Tutorial para utilizar hd formatado em NTFS!!!!!! Rodando jogos pelo HD externo em NTFS com ( CFW COBRA) recomendo as mais recentes Neste tutorial, irei explicar como: Converter seu dispositivo
Update: MultiMan/IrisMan/ManaGunZ para o HEN – HD Externo NTFS – NewsInside
Playing games off external hdd with ntfs help! | PSX-Place