StorageReview checked out the Lexar Professional GOLD CFexpress Type B Memory Card
A quote from the article:
Rising demand for faster data transfer and greater storage capacity is being driven by advancements in image resolutions and color depth in the latest professional cameras. To keep pace with these evolving needs, Lexar created the Professional CFexpress Type B Gold card a few years ago, a high-performance flash media solution tailored for seamless integration with these high-tech cameras.Lexar Professional GOLD CFexpress Type B Memory Card Review