Reliable and fast memory card for recording HD videos. Read speed: 140 MB/s, Write speed: 104 MB/s. Speed class: Class 10, UHS-I. Ideal for high-resolution photos as well as filming and editing Full HD videos. Waterproof, shockproof, x-ray proof, and temperature resistant. Enhance your images and Full HD videos with compact to mid-sized cameras and camcorders. With SanDisk Ultra SD cards, you benefit from faster downloads, high capacity, and better performance when capturing and storing up to 512 GB of high-quality images and Full HD videos. Enjoy ultra-fast read speeds of up to 150 MB/s (256 GB-512 GB) to save time when transferring photos and videos from the card to your computer – up to 875 photos in one minute. SanDisk Ultra UHS-I SD cards are waterproof, temperature resistant, x-ray proof, and shockproof, and are compatible with SDHC and SDXC digital devices. The speed class indicates the minimum continuous data transfer rate when writing video files to a memory card. Class 2 cards are designed for a minimum continuous transfer rate of 2 MB/s, while Class 10 offers a minimum continuous transfer rate of 10 MB/s. The speed class is divided into classes 2, 4, 6, and 10. For Full HD video (1080p), Class 6 is recommended at a minimum. UHS-I capable SD cards allow for theoretical data transfer speeds of up to 104 MB/s. The speed class is indicated as U1 or U3: U1 for Full HD videos and U3 for 4K videos. Memory cards supporting UHS-I are backward compatible and can be used in devices without UHS support (with limited performance).