SanDisk Extreme Pro CFexpress® Card Type B When you’re shooting where the action is, the CFexpress Card Type B unleashes the RAW performance of your gear. This card enables smooth, RAW 4K video1 capture with sustainable performance. Backward-compatible with select XQD® cameras that adopt firmware enabling CFexpress,2 the card includes both RescuePRO® Deluxe Recovery Software3 and a limited lifetime warranty4 for added peace of mind.