The SanDisk Extreme PRO CFexpress Card Type B 256GB has Read Speeds of up tp 1700 MBs and smooth 4K Video Performance

When you're shooting where the action is, the SanDisk CFexpress Card Type B unleashes the RAW performance of your gear. With read speeds up to 1700MBs and write speeds up to 1400MBs (for 512GB), you'll get low latency during high-speed recording and an enhanced workflow efficiency that's far beyond anything existing SanDisk cards deliver.

Features
Smooth 4K Video Performance. The CFexpress form factor captures RAW 4K video with sustainable, low-latency performance in your video recording.

XQD Compatibility. The card is backwards-compatible with select XQD cameras that adopt firmware enabling CFexpress, the CFexpress Card Type B bridges existing devices with the future of technology.

Easy File Recovery with RescuePRO Deluxe Software. The card comes with a RescuePRO Deluxe data recovery software download offer. This software makes it easy to recover files that have been accidentally deleted (download required.)

Limited Lifetime Warranty. Enjoy the peace of mind a limited lifetime warranty brings when it comes from SanDisk, a leading brand in imaging card performance.

Specifications
Up to 1700MBs read and 1400MBs write speeds for 512GB
Up to 1700MBs read and 1200MBs write speeds for 128GB & 256GB
Up to 1500MBs read and 800MBs write speeds for 64GB
Enables smooth, RAW 4K video with sustainable performance
Backwards compatible with select XQD cameras
RescuePRO Deluxe Recovery Software included (download required)
Limited lifetime warranty