No, the Fujifilm X-S20 is not compatible with the Lexar CFexpress Type B Professional Gold 128GB.
Fujifilm X-S20 has a single SD UHS-II slot. CFexpress Type B requires a dedicated CFexpress slot -- the X-S20 has none.
What works instead
See all compatible camera for the Fujifilm X-S20 →“SD Card (-2GB) / SDHC Card (-32GB) / SDXC Card (-2TB) / UHS-I / UHS-II / Video Speed Class V90”
Last verified:
Confidence: inferred