The SanDisk SDSQQNR-128G-GN6IA Memory Card is an SDXC Micro memory card with a storage capacity of 128GB. It has a read speed of 100MB/s and a write speed of 40MB/s, making it perfect for storing and transferring photos, videos, music, and documents. It's designed to withstand extreme temperatures, shocks, and X-ray exposure, as well as being waterproof, so it can be used in a variety of applications and environments.