therwol wrote:
When the D850 and D500 were released, they could not use CFExpress cards. The manuals that came with the cameras did not mention these cards. Both received a firmware update that allowed CFExpress cards to be used in the QXD slot. I doubt if either camera can fully take advantage of the additional speed of the newer cards, however they are a bit cheaper than QXD cards and becoming more universal.
Call Nikon.