UHS-I speeds in a small, durable card. Kingston's microSD Class 10 UHS-I card features Class 10 UHS-I speeds of 45 MB/s read and 10 MB/s write, making it ideal for photographers who shoot everything from still images to kids and pets in motion. It's also ideal for cinema-quality HD (1080p) video and reduces buffer time between shots when compared to the Class 4 card. The smallest SD card available, microSD Class 10 UHS-I is the standard expandable storage option for many tablets, smartphones and action cameras. Designed to withstand harsh environments, this versatile card is tested to be waterproof, temperature proof, shock and vibration proof and X-ray proof.