The SDSQUA4-400G-GN6MA is a premium microSDXC card from WD/SanDisk Retail, boasting a massive 400GB storage capacity. This Ultra A1 UHS-I card offers impressive speeds of up to 120MB/s, making it an ideal solution for expanding the storage on smartphones, tablets, and cameras. With the A1 rating, it optimizes app performance, providing a smoother mobile experience. The vast storage space allows for storing thousands of high-resolution photographs and hours of 4K video, ensuring that you never run out of room for your memories and media. Built to last, it withstands harsh conditions, ensuring your data's safety.