San Jose, USA, August 23, 2022 – Lexar, a leading brand of flash memory solution, proudly unveils the world’s fastest Lexar® Professional CFexpress™ Type B Card DIAMOND Series, designed for professional filmmakers and content creators.

Unleashing blazing fast speeds of up to 1900MB/s read and 1700MB/s1 write, you can experience the unmatched performance of the Lexar® Professional CFexpress™ Type B Card DIAMOND Series. With minimum sustained write speed of 1600MB/s1, dramatically accelerate your post-production workflow for enhanced productivity.

Featuring PCIe Gen 3x2 and NVMe high-speed protocols, the Lexar® Professional CFexpress™ Type B Card DIAMOND Series allows you to capture the highest quality RAW, ProRes, and 8K video with ease. This card also supports VPG 400 specification for professional-quality video, enabling seamless and sustained performance when content is written to the card.

For added versatility, the DIAMOND Series is backwards compatible with select XQD® cameras2, enabling existing devices with next-generation performance. And, the cards are designed to be shock and vibration-proof, and resistant to extreme temperatures* for added durability.

“Lexar has a long history of providing industry leading memory solution for professional users and we are excited to continue this tradition with the world’s fastest Lexar® Professional CFexpress™ Type B Card DIAMOND Series. This card will dramatically help professionals speed up their workflow while providing the quality, performance and reliability they’ve come to expect from Lexar.” said Joel Boquiren, General Manager of Lexar.

Lexar® Professional CFexpress™ Type B Card DIAMOND Series will be available in this month for purchase online at an MSRP of $219.99(128GB) and $379.99 (256GB).


• B&H

• Adorama

1Up to 1900MB/s read transfer, write speeds lower. Speeds based on internal testing. Actual sustained speed may vary depending on host device.

2Compatible with firmware enabled CFexpress™ cameras

3Limited lifetime warranty is limited to 10 years from purchase in Germany and regions not recognizing lifetime warranty

*Shock resistant (1500G, duration 0.5ms, Half Sine Wave) and vibration resistant (10~2000Hz, 1.5mm, 20G, 1 Oct/min, 30min/axis(X,Y,Z)). Based on internal testing. Actual performance may vary. 

Temperature-proof: Withstands operating temperature range from 14ºF (-10ºC) or 158ºF (70 ºC) and non-operating temperatures from -13ºF (-25ºC) or 185ºF (85 ºC).


CFexpress™ Type B cards are only compatible with devices that support the CFexpress™ format. Highest transfer speed achieved only when used with a CFexpress™ Type B reader, indicated by a boxed USB logo on the product. Contact your device manufacturer for details.

Lexar is not liable for any loss of data or images.


Actual usable memory capacity may vary. 1GB equals 1 billion bytes.

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