Yes, the Lexar Professional CFexpress Type A Gold 256GB is compatible with the Sony A7 IV.
Sony A7 IV Slot 1 accepts CFexpress Type A cards. Lexar CFexpress Type A Gold 256GB write speed (1650 MB/s) far exceeds VPG200 (200 MB/s) required for XAVC S-I intraframe modes — compatible for all recording modes including the camera's highest-bitrate codec.
“This camera supports CFexpress Type A memory cards and SD memory cards (UHS-I, UHS-II compatible).”
Last verified:
Confidence: inferred