The SDSQUAR-400G-GN6MA is a 400GB microSDXC (TransFlash) card from WD/SanDisk Retail, tailored for users needing extra storage for their smartphones, tablets, and other compatible devices. Falling under the Ultra category, it comes equipped with a Class 10 rating and UHS Speed Class 1 (U1), ensuring smooth HD video recording and playback. The card has a maximum transfer speed of 100MB/s, making it convenient for transferring high-resolution photos, videos, and other files quickly and easily. It also includes an adapter for use with SD card slots, enhancing its versatility across devices. Built to last, the card is water-resistant, temperature-proof, shockproof, and x-ray proof. Ideal for mobile users who require significant storage capacity without compromising on speed, the SDSQUAR-400G-GN6MA provides reliable performance for everyday use and demanding applications alike.