TechPowerUp published Quick Look: Lexar Professional CFexpress Type B Card DIAMOND Series + CFexpress Type B Card Reader A quote from the article:

Lexar aims to take over the increasingly popular CFexpress market with its new Type B DIAMOND series memory cards that promise high performance, taking full advantage of the accompanying USB 3.2 Gen 2x2 card reader. It's a product directed at content creators shooting and recording RAW 4K/8K videos where performance and reliability matter most.

  Quick Look: Lexar Professional CFexpress Type B Card DIAMOND Series + CFexpress Type B Card Reader