Yes, the Sony A7 IV is compatible with the Transcend 700S V90 128GB.
Transcend 700S V90 writes at 250 MB/s. Sony A7 IV SD slot minimum for XAVC S-I 4K30 is 200 MB/s. 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.”
Last verified:
Confidence: inferred