Maximum transfer speeds for RAW video data in 4K. The CFexpress Type B card allows you to fully utilize the RAW performance of your camera equipment. Read speeds of up to 1,700 MB/s and write speeds of up to 1,400 MB/s ensure low latency during high-speed recordings and more efficient editing of your material than with any previous SanDisk products. The memory card enables the recording of RAW video footage in 4K with reliable performance. The card is backward compatible with certain XQD cameras that have CFexpress-capable firmware and comes with RescuePRO Deluxe Recovery Software. Additionally, it offers a limited long-term warranty. The Nikon Z6 and Z7 also support these cards after a firmware upgrade.