Yes, the Lexar Professional 2000x 256GB SD is compatible with the Sony A7 IV.
Lexar 2000x V90 writes at 260 MB/s. Sony A7 IV SD slot needs 200 MB/s for XAVC S-I 4K30. Passes.
“Sony A7 IV Help Guide: XAVC S-I 4K at 600Mbps requires SDXC V90 or higher; XAVC HS 4K at 200Mbps requires SDHC/SDXC U3/V30 or higher — V90 SD card meets all SD-slot recording requirements.”
“Faster Video Capture With V90 Class For Professional Users”
Last verified:
Confidence: inferred