From field to post production, experience the unmatched performance of the Lexar® Professional CFexpress™ Type B Card DIAMOND Series. Designed to meet the demands of professional filmmakers and content creators, this card unleashes blazing fast speeds of up to 1900MB/s read, 1700MB/s write and minimum sustained write speed of 1600MB/s1 to capture smooth RAW 8K, 6K, 4K and beyond video with sustained performance.