Relatively new to the market and now available for use in the Nikon Z6 and Z7 cameras, CFexpress type B cards use a similar form factor to XQD but are much faster at reading and writing. If you are looking for the best CFexpress cards and readers for the Nikon Z6 and Z7 mirrorless cameras then
CFexpress Type B Cards and Readers for the Nikon Z6 and Z7
Disclosure: As an Amazon Associate I earn from qualifying purchases. I may also earn from links to other online retailers at no extra cost to you.