Read speeds up to 1700MB/s and 1400MB/s write speed. They offer low latency during high-speed recording and improve workflow efficiency far beyond existing SanDisk cards (512GB only; 128GB to 256GB = 1700MB/s read/800MB/s. S Write] Up to 1700MB/s read speed, up to 1400MB/s write speed Based on internal testing, performance may be lower depending on host device, usage conditions, and other factors 1MB = 1,000,000 bytes.

Enables smooth video, 4K RAW (1) | (1) 4K (4069 x 2160p) video support may vary based on host device, file attributes, usage conditions, and other factors.

The Cfexpress type B card is backward compatible with select XQD cameras that adopt firmware that enables Cfexpress (2) | (2) Compatibility with select XQD cameras subject to the availability and installation of a camera firmware update provided by the camera manufacturer that enables CFexpress compatibility.