Large Capacity: Pergear Professional 256GB CFexpress 4.0 Type A Memory Card, specially designed for high resolution video recording, for continuous recording up to 8K RAW.
Stable Performance: Pergear 256GB cfexpress 4.0 Type A card provides max read speeds up to 1780 MB/s, write speeds up to 1600 MB/s. Speeds based on internal testing. Actual transfer ates and capacity may vary depending on host device, file attributes, system hardware and other factors.
Compatible Sony Alpha & FX Cameras: Pergear CFexpress Type A card 4.0 Series has been approved for the Sony A7 IV、A1、A7SIII、A7RV、FX3、FX6、A9III cameras