The WD/SanDisk Retail SDSQXA1-400G-GN6MN microSDXC card is a premium flash storage solution designed for the most demanding video and photography tasks. Offering 400GB of storage capacity, this Extreme series card is perfect for action cameras, drones, and Android smartphones, providing enough space for 4K UHD video recording, high-resolution pictures, and mobile gaming. It features Class 10, Video Speed Class 30 (V30), and UHS Speed Class 3 (U3) ratings, alongside the A2 rating for faster app performance. With read speeds of up to 160mb/s, users can transfer large files quickly and efficiently. The card is engineered to withstand rugged conditions, being temperature-proof, water-proof, shock-proof, and x-ray-proof. This model, tailored for adventurers and professional photographers who require fast, large-capacity, and highly durable storage, embodies the commitment of WD/SanDisk Retail to providing top-notch storage solutions.