The Panasonic 128GB UHS-II SDXC Memory Card is designed to work with Panasonic Lumix GH5. It supports 6K anamorphic video and photo capture as well as 4K. The card offers a maximum reading speed of 280 Mbps and writing speed of 250 Mbps. Thanks to the built-in fuse and Smart Guard technology, the data is retained in the event of a sudden power loss. The integrated write-protect switch prevents the data from being erased. This memory card has the Proof 7 technology that ensures safety from water, shock, magnets, x-rays, static electricity, and temperature.