With a data read speed of up to 540 MB/s and write speed of up to 445 MB/s, the 256GB Professional 3600x CFast 2.0 Memory Card from Lexar is capable of handling cinema-quality 4K content with ease. In addition to recording 4K content, this CFast 2.0 memory card is suitable for capturing RAW and ProRes images, and has been designed for use with ARRI cameras. Regardless of the media being captured, you can take advantage of Lexars own downloadable recovery software, Image Rescue, to help recover important files should the card be corrupted or in case files are accidentally erased.