The SDSQXA1-128G-ZN6MA is a high-capacity microSDXC (TransFlash) card from WD/SanDisk Retail, designed to meet the needs of tech-savvy users requiring high speed and ample storage for their devices. Boasting a storage capacity of 128GB, this Extreme card facilitates the storage of large amounts of data, including high-resolution photographs, videos, and apps. It is particularly geared towards action cameras, drones, and Android smartphones, supporting advanced functions such as 4K UHD video recording and rapid file transfers with read speeds of up to 160MB/s and write speeds of 90MB/s. The card's V30 video speed class rating, U3 speed class, and A2 app performance class ensure high performance for video recording, playback, and fast app loading. The inclusion of an adapter enhances its versatility, allowing it to be used in devices that require full-sized SD cards. Constructed to withstand harsh conditions, it is water, temperature, shock, and x-ray proof.