Description
Angelbird AV PRO CFexpress A v4 400GB Memory Card
The Angelbird AV PRO CFexpress A v4 400GB Memory Card is a high-speed professional storage solution designed for Sony Alpha and Cinema Line cameras. Built for photographers and hybrid creators who move between high-resolution stills, extended burst photography and demanding video production, this CFexpress Type A card combines high transfer speeds with consistent sustained performance.
Delivering maximum read speeds of up to 1,870 MB/s and maximum write speeds of up to 1,850 MB/s, the AV PRO CFexpress A v4 400GB is engineered for fast-paced shooting and data-intensive workflows. Its sustained performance reaches up to 1,700 MB/s read and 1,600 MB/s write, providing the consistent throughput required for extended burst photography and professional video recording.
Angelbird’s Stable Stream™ technology helps maintain consistent read and write performance across the card’s capacity, supporting uninterrupted recording when working with demanding media formats. The card is designed for 8K RAW and Sony X-OCN cinema-grade video, as well as extended burst photography, making it a versatile choice for professional Sony camera systems.
Advanced thermal management helps maintain performance during intensive shooting, while minimal power draw is designed to reduce the storage media’s impact on camera battery life. Host power loss protection provides additional protection for professional workflows where reliable media performance is critical.
With 400GB of capacity, the AV PRO CFexpress A v4 offers a practical combination of high-speed performance and substantial storage for creators who need dependable media for demanding photography and cinema production.


