Mine was formated by SFOS in X10 and is mounted by system like that:
/dev/mmcblk1 on /run/media/defaultuser/854788d8-1c33-4193-9cdc-e8a0364c55af type ext4 (rw,nosuid,nodev,relatime,seclabel,errors=remount-ro,uhelper=udisks2)
| Max volume size | 1 EiB |
|---|---|
| Max file size | 16-256 TiB (for 4-64 KiB block size) |
| Max no. of files | 4 billion (specified at filesystem creation time) |