UNMATCHED SPEED - Experience blazing-fast performance with up to 900MB/s read and 600MB/s write speeds, perfect for demanding applications and workflows, maximizing your device's potential. AMPLE STORAGE - With a generous 256GB capacity, this microSDXC card provides ample space for storing high-resolution photos, 4K videos, and large files, ensuring you never run out of space. ULTIMATE DURABILITY - Designed to withstand harsh conditions, this card operates flawlessly in temperatures from -13°F to 185°F, ensuring your data remains safe in extreme environments. BROAD COMPATIBILITY - Compliant with SD 7.1 standards and V30 video speed class, this card is compatible with a wide range of devices, including cameras, smartphones, and gaming consoles.