The SanDisk Extreme SDHC/SDXC UHS-I card has the speed to capture 4K Ultra HD and Full HD video, so you can catch all the action. Display your high-quality videos on 4K Ultra HD TVs and monitors. Give your camera even more storage with up to 256 GB and with fast read speeds, you can offload your large photos and videos faster and always be ready for the next shot. Capture multiple frames per second and make the most out of your devices burst mode capabilities with write speeds of up to 40 MB/s. Durability-tested to keep up with even the most active lifestyles. The SanDisk Extreme SDHC/SDXC UHS-I card is waterproof, shock-proof, x-ray proof and temperature proof. Wherever you take your device, the SanDisk Extreme SDHC/SDXC UHS-I card is designed to resist tough conditions and limitations. Key Features - Extreme speeds for burst shooting; fast transfer and 4K UHD - Up to 40 MB/s write speeds for fast shot-to-shot performance and up to 90 MB/s for fast transfer - UHS Video Speed Class 30 (V30) rating means your card is ready for advances in virtual reality and 360 degrees video recording - Plus it is UHS Speed Class 3 (U3) rated for capturing full HD and 4K UHD video - Conditions; temperature proof; water proof; shock proof and x-ray proof Specification - 32GB Extreme SDHC U3/Class 10 2-pack. - Up to 90 MB/s read speed. - up to 40 MB/s write speed.