The Professional 256GB 3400x CFast 2.0 Memory Card from Lexar transfers files with a read speed of 3400x (510MB/s)*. The high-speed file transfer from card to computer accelerates workflow. It includes downloadable Image Rescue 5 software to recover most photos and select video files. It lets you leverage optimal speeds to capture high quality images and 1080p Full HD, 3D, and 4K videos, and is compatible with camcorders and digital cameras.