Use the Angelbird’s AV PRO CFexpress A SE 2.0 Type A memory cards for High-Speed Media for Sony Alpha & FX series cameras, they retain the necessary speed for up to 8K RAW stills & 8K video recording, made for project adaptability & high-speed performance, to take continuous, high-speed, 4K+ resolution still photos, smooth videos, & benefit from enhanced buffer support for rapid photography & comes with a 3-year limited warranty.