The SanDisk SDSQXCZ-256G-GN6MA (Extreme Pro A2 Specification) is a high-performance memory card that is designed for Android devices. The card offers a whopping 256GB of storage capacity and meets the A2 ("Application Performance Class 2") specification for exceptional random read and write values. It is optimized for use with apps that need to move audio, image, and video files quickly and reliably. The card features lightning-fast read and write speeds of up to 160MB/s, making it ideal for 4K UHD video recording and playback, HD video recordings, and other intensive media applications. The card is also built to withstand temperatures from -13 to 185°F (-25 to 85°C), so it is suitable for use in a wide variety of environmental conditions. It is also shock-, water-, and magnet-proof so it can withstand most conditions when it is in use.