Yes, the Sony A7 IV is compatible with the Sony SF-M Tough Series 128GB SD UHS-II.
Sony A7 IV Slot 2 accepts SD UHS-II cards. Sony SF-M Tough (150 MB/s write) exceeds the V90 floor (90 MB/s) required for XAVC S-I intraframe modes — compatible for all recording modes.
“XAVC S-I 4K 600Mbps CFexpress Type A memory card (VPG200 or higher) SDXC V90 or higher”
Last verified:
Confidence: inferred