Memory Card SDXC, 128GB, read speed up to 277MB/s, write speed up to 150MB/s, Class 10, UHS-II, U3, V60Video Class 60 The SONY memory card is a secure, plus very compact data-storing device. The type of memory card is SDXC, which makes it suited for most photo or video cameras. It has a capacity total of 128 GB. Its data download speed is 150 MB/s. Reading from it is at a speed of 277 MB/s. The Sony M Tough SDXC 128GB is of the speed class of Class 10. Thanks to its parameters, it is suitable for extremely demanding work like the storage of 4K video. Its X-ray resistance is no small thing. Sony M Tough SDXC 128GB Memory Card Key Features SDXC memory card Interface: UHS-II and U3 Card capacity: 128 GB Reading speed: 277 MB/s Writing speed: 150 MB/s SONY memory card speed class: Class 10 Great for recording 4K videos High-quality design resistant to shocks Increased water resistance X-ray protection SONY video class: V60Video Class 60