Capacities: 64 GB  Interface: UHS-I Interface speed: U1 Card standard: SDHC (≤32GB) SDXC (≥64GB) Speed read: Up to 100 MB/s

Capacities: 64GB Card standard: Micro SDHC/SDXC Read Speed: Up to 170 MB/s Write Speed: Up to 120 MB/s Interface speed: UHS-I U3 Performance class: A2 Video Class Standard: V30 Perfect for 4K video processing