The POWER CFexpress Type B 4.0 Memory Card from Delkin Devices combines industrial strength & reliability with unmatched performance. With speeds suitable for professional photographers and videographers, the POWER CF express Type B card is specifically designed to excel in the latest generation of high-end cinematic hosts. Utilizing the latest PCIe technology, the POWER CFexpress Card Type B 4.0 boasts maximum potential recording speeds up to 3220MB/s for flawless cinema-quality video capture, including data-heavy modes like RAW 8K, 6K & 4K at high frame rates and bitrates. Minimum sustained sequential write speeds up to 1570MB/s guarantee that data is written swiftly and safely to the card, perfectly capturing everything as you intended. Capable of offloading data at speeds reaching up to 3560MB/s, the POWER CFexpress Type-B 4.0 card ensures the quickest, most efficient data transfer from card to computer for immediate access to your files and sooner post-production start time. Built to meet the extensive demands of today's broadcast, cinema and photography industries, each CF express card has undergone extensive internal testing to ensure full functionality and performance in today's high-end hosts.