Capture high-quality images and seamless RAW 4K video with the Lexar Professional CFexpress Type B card. Designed to leverage the capabilities of next generation cinema cameras and DSLRs, this rugged card supports both PCI Express Gen 3 and NVMe protocol while providing high-speed performance, durability, and reliability, with a read transfer speed of up to 1750MB/s .
Shoot More High-Quality Images and RAW 4K Video
Designed to leverage the capabilities of next-generation cinema cameras and high-resolution DSLRs, the Lexar Professional CFexpress Type B card allows you to capture breathtaking high-quality images and extended lengths of RAW 4K video. It features blazing speeds of up to 1750MB/s read , and up to 1000MB/s write.
Capture Adventure with Ultimate Durability
Whether you’re chasing sunsets or road races - or any other adventure, the Lexar Professional CFexpress Type B card delivers the rugged durability you need to protect from shock/vibration. So, from the Grand Canyon to the Great Wall, you have the peace of mind that you’ve got a card you can trust to capture breathtaking images.
Save Time with Dramatically Accelerated Workflow
The high-speed performance of the card allows you to shoot and transfer files quickly. And when used with the Lexar Professional CFexpress Type B Reader, you’ll maximize the read transfer speed capability of the card. This dramatically accelerates your workflow from start to finish, so you can save time and get back to business.
Backwards-Compatible with XQD Cameras
For versatility, the card is backwards compatible with select XQD cameras  enabling existing devices with next-generation performance.
All Lexar product designs undergo extensive testing in the Lexar Quality Labs, facilities with more than 1,100 digital devices, to ensure performance, quality, compatibility, and reliability.
Superior performance with transfer speeds of up to 1750MB/s  read
Shoot more high-quality images and RAW 4K video
Backwards compatible with select XQD cameras 
Utilizes PCIe 3.0 and NVMe protocol for unmatched speeds
Sustained write speeds of up to 1000MB/s
Lexar limited lifetime warranty
||CFexpress Type B
||Up to 1750MB/s read, up to 1000MB/s write 
||-10 °C to 70 °C (14 °F to 158 °F)
||-40 °C to 85 °C (-40 °F to 185 °F)
|Dimension (W x L x H)
||29.60 x 38.50 x 3.80 mm / 1.16" x 1.51" x 0.14"
||7.65 g / 0.016 lbs
 Up to 1750MB/s read transfer, write speeds lower. Speeds based on internal testing. Actual sustained speed may vary depending on host device.
 Compatible with firmware enabled CFexpress cameras