SanDisk's SDSQUAR-256G-GN6MA Memory card is a UHS-I type, A1 rated memory card designed for Android devices. It is based on an SDXC Micro form factor and has a capacity of 256GB. It is a Class 10 card for fast performance and is also compatible with Full HD, UHD, and 4K video formats. It enables faster application performance with A1-rated speed class performance. It has read & write speeds of up to 100MB/s & 90MB/s respectively. It is ideal for 4K UHD video recording, rapid burst shooting, and full HD video recording. It is shockproof, X-ray proof, and waterproof, providing exceptional reliability and durability for long-term performance.