The new fast and super tough Sony SF-M cards are now available for preorder in the USA:
Sony SF-M Series Tough UHS-II Memory Card (64GB) at BHphoto and FocusCamera.
Sony SF-M Series Tough UHS-II Memory Card (128GB) at BHphoto, Adorama and FocusCamera.
Sony SF-M Series Tough UHS-II Memory Card (256GB) at BHphoto, Adorama and FocusCamera.