Micro SDHC/SDXC 64GB-XC (UHS-I)

Capacity: Stores up to 14,000+ photos or roughly 1 hour and 25 minutes of 4K video (at 100 Mbps).

Speed Class: Usually rated Class 10, UHS Speed Class 3 (U3), or Video Speed Class 30 (V30), meaning it guarantees a minimum write speed of 30MB/s to prevent dropped frames.

Format: Uses the exFAT file system, which is compatible with most modern Android devices, Nintendo Switches, and digital cameras.