With speeds of up to 90MB/s read and 45MB/s write, this versatile card transfers files much faster than standard Class 10 SDHC cards. Photographers can shoot high-density image files, such as RAW or JPEG, without running out of space, and the cards higher sustained write speeds support continuous burst mode and ensure video integrity by reducing stutter.Features:- Ultra-high-speed bus I (UHS-I).- Class 10 performance when used in a non-UHS-I capable device.- Compliant with the SD Card Association specification.- Built-in write-protect switch prevents accidental data loss.Specification:- Capacity: 64GB- Performance: 90MB/s read, 45MB/s write, ultra high-speed bus I (UHS-I)- Dimensions 24mm x 32mm x 2.1mm- Operating temperature -13F to 185F (-25C to 85C)- Storage temperature -40F to 185F (-40C to 85C)- Voltage 3.3V- Warranty: Lifetime