Yes, the Canon EOS R3 works with the Sony SF-M Tough Series 128GB SD UHS-II — but only Compatible with all 4K modes (IPB and ALL-I at 29.97fps.
Canon EOS R3 Slot 2 accepts SD UHS-II. Sony SF-M Tough writes at 150 MB/s (V60) — meets most SD modes including 4K 29.97fps ALL-I (requires V60) and 4K IPB. Cannot record Full HD 239fps slow-motion, which requires V90.
Conditions for compatibility
Compatible with all 4K modes (IPB and ALL-I at 29.97fps — V60 sufficient) and standard Full HD. Cannot record Full HD at 239.76fps slow-motion, which requires Video Speed Class V90. Despite the Tough branding, upgrade to V90 if 240fps slow-motion is needed.
“ALL-I Video Speed Class V60 or higher IPB (Standard) UHS Speed Class 3 or higher”
Last verified:
Confidence: inferred