256GB Capacity UHS-II / V90 / U3 / Class 10 Max Read Speed: 300 MB/s Max Write Speed: 260 MB/s Min Write Speed: 90 MB/s Records Full HD, 3D, and 4K Video Water, Shock, Vibration, and X-Ray Proof Can Withstand Extreme Temperatures Built-In Write Protect Switch Blackmagic Qualified
