Details

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SanDisk Extreme Pro CFexpress Card Type B is a high-speed memory card designed for professional photographers and videographers, offering impressive read/write speeds for capturing raw 4K video and high-resolution images. 
 

Feature	Details	Source
Form Factor	CFexpress Type B
Interface	PCIe 3.0, NVMe 1.3
Capacities	64GB, 128GB, 256GB, 512GB
Max Read Speed	Up to 1700 MB/s (1500 MB/s for 64GB version)
Max Write Speed	Up to 1400 MB/s (512GB); up to 1200 MB/s (128GB/256GB); up to 800 MB/s (64GB)
Video Support	Smooth, RAW 4K video capture, and is even fast enough for 8K video
Durability	Shockproof, temperature-resistant, and built with a robust metal housing
Compatibility	Backward-compatible with select XQD cameras via firmware update
Warranty	Limited lifetime warranty