Panasonic Lumix S1H Operating Instructions Manual page 26

1. Introduction
Cards That Can Be Used Stably with This Camera
When using the following functions, use cards that have the correct SD
Speed Class, UHS Speed Class, and Video Speed Class.
Speed classes are standards to guarantee the minimum speed necessary for
0
continuous writing.
[Video Record]
Bit rate of the
recording quality
72 Mbps
100 Mbps to
200 Mbps
400 Mbps
[6K/4K PHOTO]/[Post-Focus]
Speed Class
UHS Speed Class 3
Video Speed Class 30 or higher
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Speed Class
Class 10
UHS Speed Class 1 or higher
Video Speed Class 10 or higher
UHS Speed Class 3
Video Speed Class 30 or higher
Video Speed Class 60 or higher
Example of
indication
Example of
indication