Designed for professional content creators and enthusiasts who require superior storage solutions, the SanDisk Extreme microSDXC card, model SDSQXAV-256G-GN6MN, offers a hefty 256GB of storage. This impressive capacity enables users to effortlessly store extensive amounts of 4K UHD videos, high-resolution photographs, and large applications without the worry of space limitations. Highlighting UHS-I technology, alongside V30 video speed class and A2 application performance class ratings, the card supports a minimum write speed of 30MB/s, making it perfect for recording flawless 4K content and ensuring swift app operations on mobile devices. It features exceptional read and write speeds, reaching up to 190MB/s and 130MB/s respectively, which streamline data transfer and content editing processes. This card, produced by WD/SanDisk Retail, is synonymous with reliability and durability. It's engineered to be waterproof, temperature-proof, shockproof, and x-ray proof, offering unparalleled protection for users' valuable data in any environment or situation.