The SanDisk memory card is designed as a safe and secure and very small storage device. The type of card is micro SDXC. This smaller format lets it fit into mobile phones and other smaller electronics. It has a capacity of 256 GB. It's speed when downloading data is 90 MB/s. Reading from it is at a speed of 170 MB/s. The SanDisk MicroSDXC 256GB Extreme Plus A2 UHS-I (V30) U3 + SD Adapter fits into a speed class of Class 10. Thanks to the parameters, it is suitable for highly demanding operations such as saving 4K video. It comes with a very handy adapter for SD slots.