ProGrade Digital 256GB SDXC UHS-II V90 Memory Card ( Cobalt )

256GB Storage Capacity Max Read Speed: 300 MB/s Min Write Speed: 90 MB/s Records High Bit Rate MPEG-4 Built-In Write-Protect Switch UHS-II / V90 / U3 / Class 10 Max Write Speed: 250 MB/s Records 6K, 5K, 4K, Full HD & 3D Video Capture Raw Photos & Rapid-Fire Bursts Temperature / Shock / X-Ray Proof