Sony will start making CFexpress memory cards

Sony announced the development of a new CFexpress Type B memory card (CEB-G128) with a read speed of up to 1700MB/s and write speeds of 1480MB/s:

Incomparably fast speed, designed for professional and industrial use, supports future evolution of digital devices
High reliability in extreme conditions thanks to TOUGH performance and smart software
New Sony CFexpress card reader, MRW-G1, takes full advantage of Sony CFexpress Type B’s high-speed performance
The Sony CFexpress Type B memory card and the CFexpress Card Reader will be in the market in early summer 2019.