CFexpress Type B card for high-speed continuous shooting. Read speed: 1785 MB/s. Write speed: 1600 MB/s. Sustained performance for RAW 8K. Exceptional processing performance. Type B. The AV PRO CFexpress SX Type B media card provides the necessary speed for 8K RAW recording with just the right storage capacity for the task. With a continuous write speed of 1480 MB/s, the CFexpress SX supports continuous high-definition recording in burst mode. The CFexpress SX is available exclusively in a capacity of 160 GB, making it the ideal size for capturing detailed photos and nonstop bursts of action sports, wildlife, fashion, news reporting, or celebrity photography in 8K RAW. The combination of speed and capacity is also an attractive option for producing high-frame-rate video clips that require a high level of quality and detail. Stable Stream continuous write performance. Demanding formats such as 8K RAW recordings or burst shooting pose a significant challenge for most camera systems. Capturing detailed, high-resolution images requires a constant write speed that does not throttle or lose performance when the card's capacity is reached. The Stable Stream technology supports powerful, sustained write speeds and ensures that a consistent performance range is maintained across the entire capacity of the card during every recording session.