Capture Full HD, 3D, and 4K content with the Digital Speed 2500X 256GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 10 Memory Card. Each of the included SDXC memory card meets the UHS Speed Class 10 specification with maximum data speed of 350 MB/s. While this card is designed to meet the needs of those requiring enhanced data transfer rates, it remains backwards compatible with devices requiring UHS-II, Class 10 memory cards. High-speed performance-leverages UHS-II technology (U3) for a data read speed up to 2500x (350 MB/s) Captures high-quality images and extended lengths of enhanced 1080p full HD, 3D, and 4K video with a DSLR camera, HD camcorder, or 3D camera High-speed file transfer from card to computer to dramatically accelerate workflow Includes downloadable Image Rescue software to recover most photos and select video files Backwards compatible with UHS-II devices