The SDSDXVA-128G-GNCIN is a superior 128GB SDXC Extreme UHS-I flash card from WD/SanDisk Retail designed to meet the rigorous demands of professional content creators. With its U3 speed class rating and V30 video speed class, it delivers a guaranteed minimum sequential write speed of 30MB/s, perfect for recording breathtaking 4K UHD and Full HD video. Offering read speeds of up to 180MB/s and write speeds of 90MB/s, this flash card ensures quick data transfer and a streamlined workflow, enabling professionals to focus on their creative work. It's engineered for durability, being resistant to water, shock, and x-rays, making it a reliable storage solution for shooting in extreme conditions or adventurous locations.