Sony a7S III Instruction Manual page 80

Note
• When shooting a proxy movie, a higher-speed memory card may be required.
• CFexpress Type B memory cards cannot be used.
• When an SDHC memory card is used to record an XAVC S movie over
extended periods of time, the recorded movies will be divided into files 4 GB
in size.
• When recording a movie on memory cards in both the Slot 1 and the Slot 2
with following camera settings, insert two memory cards with the same file
system.
Movies cannot be recorded simultaneously when using a combination of the
exFAT file system and FAT32 file system.
CFexpress Type A memory card,
SDXC memory card
SDHC memory card
• Charge the battery pack sufficiently before attempting to recover the
database files on the memory card.
GB
80
Memory card File system
exFAT
FAT32