Along with firmware update version 2.0 for Nikon Z9, Nikon today also announced a new CFexpress Type B memory card – Nikon MC-CF660G. This US price for this card is $729.95, release date in June 2022.
Press release:
Nikon MC-CF660G High Performance CFexpress Card
The MC-CF660G is a CFexpress (Type B) memory card with a large capacity of 660 GB. It realizes a maximum read speed of approximately 1700 MB/s and maximum write speed of approximately 1500 MB/s. It is particularly suited for video/still shooting with the Nikon Z 9 full-frame/FX-format mirrorless camera.