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