With a ruggedized steel construction, the 64GB Steel 2000x SDXC UHS-II Memory Card from Hoodman is designed to withstand the elements. This steel plated memory card supports 4K Ultra HD video and features a read speed of up to 300 MB/s and a write speed of up to 260 MB/s making it easy to transfer large files quickly and efficiently. Additionally, this card supports the UHS-II bus interface as it comes equipped with a second set of pins for high-speed data transfers when used with UHS-II compliant devices.