The SDSDXVV-256G-GNCIN from WD/SanDisk Retail is an advanced 256GB SDXC Extreme UHS-I flash card designed to provide exceptional speed and storage for high-end photography and videography. It comes equipped with a U3 speed class and V30 video speed class, ensuring a minimum sequential writing speed of 30MB/s – ideal for professional-grade 4K UHD video recording and rapid-fire photography. It boasts read speeds of up to 180MB/s and an impressive write speed of 130MB/s, facilitating faster file transfers and efficient editing processes. This card is built to withstand tough conditions; it is waterproof, shockproof, and x-ray proof, offering content creators peace of mind when working in challenging or unpredictable environments.