The SanDisk microSDXC Express 256 GB card is designed for users who need fast, reliable removable storage for high-resolution photos, video capture, and large file transfers. It combines PCIe 3.1 NVMe performance and Sandisk ThermAdapt thermal management to deliver sustained read and write performance while helping maintain consistent operation in a wide range of temperatures. With high read and write rates and UHS-I compatibility in a compact microSDXC Express form factor, the card helps speed up workflows and reduces waiting during data transfers.