The Panasonic AJ-P2C064AG is a 64GB memory card for the P2 professional video storage system. It can be used in all Panasonic cameras using P2 technology including the popular AG-HVX200/A .
 
https://www.bhphotovideo.com/c/product/591145-REG/Panasonic_AJ_P2C064AG_AJ_P2C064AG_64GB_P2_High.html