The SanDisk SDSQXCZ-1T00-GN6MA is a ultra High-Speed memory card with an Android, Extreme Pro, A2 specification offering outstanding possible performance for recording and playing 4K UHD video, and sequential burst mode photography. This UHS-I microSDXC card features built-in A2 app performance up to 170MB/s read speeds and 90MB/s write speeds, and is ideal for recording 4K UHD videos and capturing high-quality images. This card is Class 10, UHS Speed Class 3 (U3) compliant, and is capable of recording 8K and 4K UHD video, vivid photos, and extensive music collections. With its advanced data protection, the SanDisk SDSQXCZ-1T00-GN6MA card helps ensure your most precious memories are safe.