Extreme sports require extreme readiness. SanDisk Extreme microSDHC/microSDXC UHS-I cards deliver the speed, capacity, durability, and quality you need to make sure your adventure is captured in stunning detail, even if you blink on the way down. Now rated UHS Speed Class 3 (U3)**, this fast,

Extreme sports require extreme readiness. SanDisk Extreme microSDHC/microSDXC UHS-I cards deliver the speed, capacity, durability, and quality you need to make sure your adventure is captured in stunning detail, even if you blink on the way down. Now rated UHS Speed Class 3 (U3)**, this fast, high-performing card teams up with your action camera to let you capture and share unforgettable extreme sports video. Available in capacities up to 64GB**.    Built for extreme conditions** temperature proof, water proof, shock proof, and x-ray proof    Delivers 4K Ultra HD and Full HD video recording and playback**    Meets the new UHS Speed Class 3 (U3) specification**    Up to 60MB/s** read speed and up to 40MB/s write speed    Up to 64GB** capacity for more space to catch the thrill.