Yes, the Fujifilm X-S20 is compatible with the Lexar Professional 1667x 64GB SD.
Fujifilm X-S20 has a UHS-II SD slot. Lexar 1667x is UHS-II V60, rated at 120 MB/s write. X-S20 requires V30 for 4K30 and V60 for 4K60. Lexar 1667x (V60) meets both thresholds — compatible with all X-S20 video modes.
“Fujifilm X-S20 specifications: for recording movies at 360Mbps use a SD memory card with Video Speed Class 60 or higher — V60 UHS-II card meets this requirement.”
Last verified:
Confidence: inferred