Which FS format should I use?

yonnie

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I bought a 4TB drive to connect to my CPU for backup.  Which file system should I format it to?  I may want to store large files like distro images and movies as well as full backups of my computer which has many small files.

I also want to store movies from my DVD collection for replay from another computer.  FYI--we don't use windows here so am not concerned about being compatible to that OS.

Are there pro's and con's to using exfat?  Should I use ext4?  Multiple primary partitions?  One big one?