With 256 GB. Maximum read speed: 1700 MB/s. Maximum write speed: 1200 MB/s. Suitable for filming, television, and photography in 4K. Backward compatible with certain XQD® cameras that have CFexpress®-capable firmware. Comes with RescuePRO® Deluxe Recovery Software for data recovery. The CFexpress® Type B card allows you to fully utilize the RAW performance of your camera equipment for your recordings. Read speeds of up to 1700 MB/s and write speeds of up to 1400 MB/s ensure low latency during high-speed recordings and more efficient editing of your material compared to all previous SanDisk products. The memory card enables the recording of RAW video material in 4K with reliable performance. The card is backward compatible with certain XQD® cameras that have CFexpress®-capable firmware, includes RescuePRO® Deluxe Recovery Software, and offers a limited long-term warranty.