Yes, the Fujifilm X-S20 is compatible with the Sony SF-G Tough 128GB.
Fujifilm X-S20 has a UHS-II SD slot. Sony SF-G Tough V90 writes at 299 MB/s. X-S20 requires V30 for 4K30 and V60 for 4K60. SF-G Tough V90 exceeds both thresholds — compatible with all X-S20 video modes.
“SD Card (-2GB) / SDHC Card (-32GB) / SDXC Card (-2TB) / UHS-I / UHS-II / Video Speed Class V90”
Last verified:
Confidence: inferred