The world’s fastest Lexar Diamond Series 256GB CFexpress Type B memory card




Lexar officially released the world’s fastest Lexar Diamond Series 256GB CFexpress Type B memory card. Here are the details:

Main features:

  • Fast speeds of up to 1900MB/s read, and 1700MB/s write
  • Features PCIe Gen 3×2 and NVMe high-speed protocols, capture smooth RAW 8K, 6K, 4K, and beyond video with sustained performance
  • Backward compatible with select XQD cameras2 enabling existing devices with next-gen performance
  • Interface: PCIe Gen 3×2
  • NVMe high-speed protocol
  • Compliant with VPG 400 video class

Specifications (click for larger view):


Performance test:


Comparison with other CFExpress memory cards (click for larger view):


The Lexar CFexpress Type B Diamond Series memory cards are now in stock at B&H Photo:


Some quotes from Explora and the press release:

“Available in capacities of either 128GB or 256GB, this card utilizes the PCIe 3.0 x2 / NVMe protocol to deliver a serious maximum read speed of 1900 MB/s, a maximum write speed of 1700 MB/s, and minimum sustained write speeds of 1600 MB/s. It also supports the VPG-400 video class standard, which guarantees write speeds won’t drop below 400 MB/s. It is also resistant to shock, vibration, and temperature, and is backward compatible with select XQD devices. To round things off, protection is provided by a limited lifetime warranty.”

“To meet the demand of high-performance memory solution needed for professional filmmakers and content creators, the Lexar® Professional CFexpress™ Type B Card DIAMOND Series provides unmatched read speeds of up to 1900MB/s, dramatically accelerating your post-production workflow for enhanced productivity. And with blazing-fast write speeds of up to 1700MB/s1, quickly capture smooth RAW 8K, 6K and 4K video with ease. It is also backwards compatible with select XQD® cameras.”


Additional information:



This entry was posted in Other Nikon stuff and tagged , , , , . Bookmark the permalink. Trackbacks are closed, but you can post a comment.
  • FCC disclosure statement: this post may contain affiliate links or promotions that do not cost readers anything but help keep this website alive. As an Amazon Associate, I earn from qualifying purchases. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. Thanks for your support!

  • Back to top