Introducing the world’s toughest, fastest SD cards. Designed for professionals who shoot in extreme conditions and require the highest performance. With bend-resistance that’s 18-times greater than the SD standard, the highest level waterproof and dustproof grades (IP68), the fastest read speed at up to 300 MB/s and fastest write speed at up to 299 MB/s, the SF-G series TOUGH specification protects professional work.