Sony A 7 R IV Instruction Manual page 25

2
Insert the SD card into the
slot 1.
• Both the slot 1 (upper) and the
slot 2 (lower) only support SD
memory cards (compatible with
UHS-II).
• This camera does not support
Memory Stick media.
• Insert the memory card with the terminal side facing toward you, until it
clicks into place.
• You can change which memory card slot to use by selecting MENU 
(Setup)  [Rec. Media Settings]  [Prioritize Rec. Media].
The slot 1 is used in the default settings.
3
Close the cover.
Hint
• When you use a memory card with the camera for the first time, it is
recommended that you format the card on the camera for more stable
performance of the memory card (page 74).
Slot 1 Slot 2
GB
GB
25