Amazon.com: SanDisk 64GB SDXC SD Extreme Pro Memory Card Works with Canon EOS R, RP, M, M10 Mirrorless Camera Class 10 UHS-I (SDSDXXU-064G-GN4IN) Bundle with (1) Everything But Stromboli Multi Slot Card
SanDisk Extreme Pro 95MB/s 64GB SDXC UHS-I U3 Memory Card Review - Camera Memory Speed Comparison & Performance tests for SD and CF cards