The SDSDXXU-064G-GN4IN is a high-performance 64GB SDXC Extreme Pro memory card from WD/SanDisk Retail, tailored for professional photographers and videographers who demand superior speed and reliability. This flash card utilizes UHS-I technology with a U3 speed class rating and Video Speed Class 30 (V30), ensuring a minimum sequential write speed of 30MB/s. It's perfect for capturing 4K Ultra HD and Full HD video and high-resolution photos. With impressive read speeds of up to 200MB/s and write speeds of up to 90MB/s, it dramatically reduces transfer times and enables efficient workflow. The card is designed to withstand harsh conditions, being waterproof, shockproof, and x-ray proof, making it an ideal companion for adventurous shoots.