I purchased these cards for my Canon R3. Indmem128GB CFexpress Type B Memory Card, Raw 4K/8K Video Recording, up to 1700MB/s Read, 1600MB/s Write, Compatible with Nikon Z6/Z7/D6,Canon EOS-1DXMark III/EOS-R5,Panasonic S1/S1R,DJI Ronin 4D. I've tried t...
