The SDSDXPK-064G-GN4IN is a superior 64GB SDXC Extreme Pro UHS-II flash memory card offered by WD/SanDisk Retail. It is designed to cater to the needs of professional photographers and videographers, boasting a Class 3 speed rating and impressive read and write speeds of up to 300MB/s. Its UHS-II technology ensures efficient performance, especially for those working with 4K UHD video recording and sequential burst mode photography. This card provides not only ample storage capacity but also incredible speed that supports high-resolution image formats with ease. The SDSDXPK-064G-GN4IN is built to last, with its shockproof, waterproof, and X-ray proof design, ensuring your data's protection across various shooting environments. This card is a perfect choice for industry professionals seeking fast, reliable, and durable storage options.