Panasonic LUMIX DC-GH6 Owner's Manual page 129

Recording Videos – Basic Video Operations
Size Interval for Dividing Files
A new file will be created to continue recording if the continuous recording
time or the file size exceeds the following conditions.
[Rec. File [Rec
Format] Quality]
[FHD]
[MP4]
[4K]
[MOV]
[Apple
[5.7K]
ProRes]
(A) Using a CFexpress card
(B) Using an SDXC memory card
(C) Using an SDHC memory card
Bit rate
All
600 Mbps or
less
All
800 Mbps or
more
All
Card
Continuous
used
recording
(A)
(B) 30 minutes
(C)
(A)
3 hours
4 minutes
(B)
(C) 30 minutes
(A)
3 hours
4 minutes
(B)
(C) 30 minutes
3 hours
(A)
4 minutes
(B)
(C)
3 hours
(A)
4 minutes
(B)
(C)
129
File division
File size
time
4 GB
96 GB
4 GB
192 GB
4 GB
640 GB
640 GB