Nikon Z6, Z7 Might Only Support One XQD Memory Card Slot | Ubergizmo
Amazon.com: SanDisk Extreme Pro 64GB SD Card for Camera Works with Nikon Z7 II (Z 7II), Z6 II (Z 6II) - SDXC UHS-I Card (SDSDXXY-064G-GN4IN) Bundle with (1) Everything But Stromboli Micro