San Disk Extreme PRO micro SDHC/micro SDXC UHS-I memory cards now come with up to 64GB of storage for uncompromising smartphone, tablet & camera performance. Capture 4K Ultra HD & Full HD videos & enjoy transfer speeds of up to 95MB/s so you can shoot like a pro & still experience world-class responsiveness from your phone. Class 10 & UHS Speed Class 3 (U3) ratings mean your videos can meet today's highest resolution standards.