Sony ILCE-1 a1 Help Manual page 22

File Format Maximum recordable bit rate
XAVC HS 4K 500Mbps
XAVC S 4K 560Mbps
XAVC S HD 500Mbps
XAVC S-I 4K 1200Mbps
XAVC S-I HD 890Mbps
*1
When [ Frame Rate] is set to [120fps]/[100fps], you may need an SDXC V90 memory card.
*2
When [ Frame Rate] is set to [240fps]/[200fps], you may need an SDXC V90 memory card.
*3
For slow-motion recording, a CFexpress Type A memory card (VPG200 or higher) is required.
*4
When [ Frame Rate] is set to [240fps]/[200fps], a CFexpress Type A memory card (VPG200 or higher) is required.
Hint
When the recording bit-rate is 200 Mbps, you can also record using an SDXC card (U3/V30).
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.
Memory card
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.
Related Topic
Notes on memory card
Number of recordable images
Recordable movie times
S&Q Settings
Supported memory card
CFexpress Type A memory card (VPG200 or higher)
*1
SDXC V60 or higher
CFexpress Type A memory card (VPG200 or higher)
*1
SDXC V60 or higher
CFexpress Type A memory card (VPG200 or higher)
*2
SDXC V60 or higher
CFexpress Type A memory card (VPG200 or higher)
*3
SDXC V90 or higher
CFexpress Type A memory card (VPG200 or higher)
*4
SDXC V90 or higher
File system
exFAT
FAT32
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