With the 256GB AVpro XT SATA 3.1 CFast Memory Card from Angelbird it is easy to store and transfer files quickly with read speeds up to 550 MB/s and write speeds up to 480 MB/s. In addition to enhanced data transfer rates, this memory card features a CFast 2.0 SATA 3.1 compliant interface for broad compatibility with a variety of devices. The Angelbird CFast 2.0 memory card also comes X-ray and magnetic proof and supports ESD and overload protection as added layers of protection to keep your important files safe.