SanDisk Extreme Pro CFexpress Card Type B, 128GB, 1700MB/s Read, 1200MB/s Write

Read speeds of up to 1700MB/s and 1400MB/s write speeds offer low latency during high-speed recording and enhance workflow efficiency far beyond existing SanDisk cards 

Based on internal testing; performance may be lower depending upon host device, usage conditions, and other factors. 1MB=1,000,000 bytes.

Enables smooth, RAW 4K video(1). (1) 4K video (4069x2160p) support may vary based on host device, file attributes, usage conditions and other factors.

The Cfexpress CardType B is backwards-compatible with select XQD cameras that adopt firmware enabling Cfexpress

Backwards compatibility with select XQD cameras subject to the availability and installation of a camera firmware update provided by the camera manufacturer enabling CFexpress compatibility.

SanDisk products are constructed to the highest standards and rigorously tested.