@lelebrr As already mentioned in this topic:
https://forum.recalbox.com/topic/20461/recalbox-batocera-qual-diferença/2?_=1586697603376

Recalbox is a LINUX-based operating system, and if you do a little research, you'll notice that NTFS is a format only recognized by WINDOWS, so it wouldn't work in Recalbox. FAT 32 is recognized by both Linux and Windows.

@lelebrr Hi
One HD to boot the OS + one HD for roms support OK
2 HDs to stock roms : impossible.

@caseysmash Please, make a tutorial and share what you've discovered.