Professional-Grade Speed for 4K Content Creators Achieve 100MB/s read speeds and 30MB/s write speeds with U3/A1-certified performance ideal for capturing 4K footage on mirrorless cameras, drones, and action cams while ensuring rapid app launches and smooth file transfers on smartphones and tablets Industrial-Strength 3D TLC NAND Flash Technology Built with premium 3D TLC storage chips for enhanced durability and data integrity resistant to shock, vibration, and extreme temperatures to safeguard your files during outdoor adventures, 24/7 home surveillance, or automotive dashcam use Ultra-Compact Design with Universal Device Support Measuring just 11mm x 15mm x 1mm, this micro SD card seamlessly integrates with GoPro-style cameras, Android smartphones, security systems, and gaming devices expand storage for apps, 4K videos, and game libraries without bulk Optimized for Demanding Workflows U3 speed class guarantees uninterrupted 4K video recording on DSLRs and drones A1 rating accelerates