Sony ILCA-99M2 - Manual (Page 53)

Note
Memory Stick media cannot be used in the slot 2.
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. The divided files can be handled as a single
file by importing them to a computer using PlayMemories Home.
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. XAVC S movies cannot be recorded
simultaneously when using a combination of the exFAT file system and FAT32 file system.
[ File Format] is set to [XAVC S 4K] or [XAVC S HD].
[Recording Mode] is set to [Simult. ( )] or [Simult. ( / )].
[23] Preparing the camera Inserting a memory card (sold separately)
Notes on memory card
If you repeatedly shoot and delete images for a long time, fragmentation of data in a file in
the memory card may occur, and movie recording may be interrupted in the middle of
shooting. If this happens, save your images to a computer or other storage location, then
execute [Format] using this camera.
Do not remove the battery pack or the memory card, disconnect the USB cable, or turn the
camera off while the access lamp is lit up. This may cause the data on the memory card to
become damaged.
Be sure to back up the data for protection.
Not all memory cards are guaranteed to operate correctly.
Images recorded on an SDXC memory card cannot be imported to or played on computers
or AV devices that are not compatible with exFAT when connected using a micro USB
cable. Make sure that the device is compatible with exFAT before connecting it to the
camera.
If you connect your camera to an incompatible device, you may be prompted to format the
card. Never format the card in response to this prompt, as doing so will erase all data on the
microSDXC memory card *2 *2 *3
Movies cannot be recorded in 100 Mbps or more. *1
SD Speed Class 4 ( ) or faster, or UHS Speed Class U1 ( ) or faster *2
SD Speed Class10 ( ), or UHS Speed Class U1 ( ) or faster
When recording in 100 Mbps or more, UHS Speed Class U3 ( ) is required.
*3
Memory card File system
SDXC memory card exFAT
Memory Stick PRO Duo (Mark2), Memory Stick HG Duo, SDHC memory card FAT32