Lexar Professional Silver 320GB CF express Type A 800MB/s card designed for A9iii A1ii A1 A7Rv A7iv A7Siii FX3 FX30 has sustained write speed required by Sony to unlock their cameras full potential: deepest buffer (endless in many modes) and highest video FPS modes and some S&Q modes are only available when using this type of card.
Asking only $200 very firm.
If posting is up, the card is available. Pickup in Maple (Rutherford&Dufferin). Reply with your phone number if interested.