Amazon.com: SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) : Electronics
Amazon.com: Transcend 64GB Memory Card, Compatible with Nikon COOLPIX B500 Digital Camera - SDXC UHS-I Memory Card - Class 10, U1, 100MB/s, 300 Series - Pack of 2 : Electronics