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 and 1700MB/s write, and minimum sustained write speed of 1600MB/s¹ to capture smooth RAW 4K, 6K, 8K and beyond video with sustained performance.

The blazing-fast performance of the Lexar^® Professional CFexpress™ Type B Card DIAMOND Series allows you to capture and transfer content quickly and efficiently. And with an industry-leading read transfer speed up to 1900MB/s,¹ you’ll quickly power through post-production and dramatically accelerate your workflow from start to finish.

Featuring PCIe Gen 3x2, NVMe high-speed protocols, and a write speed of up to 1700MB/s,¹ this card captures the highest quality RAW, ProRes, and 8K video with ease. It also meets the VPG400 specification for professional-quality video, meaning it's guaranteed to capture video streams at a minimum guaranteed write speed of 400MB/s¹ when used with compatible host devices and recording media.

For added versatility, Lexar^® Professional CFexpress™ Type B DIAMOND Series is backwards-compatible with select XQD^® cameras,² enabling existing devices with next-generation performance.

The Lexar^® Professional CFexpress™ Type B Card DIAMOND Series is built with the rugged durability you need to capture even in the harshest of conditions. The cards are designed to be shock and vibration-proof, and resistant to extreme temperatures.* And, for added peace of mind, the card is backed by a Limited Lifetime Warranty.³

All Lexar products undergo extensive testing in the Lexar Quality Labs, facilities with thousands of different cameras and digital devices to ensure performance, quality, compatibility, and reliability.