Key Features 64GB Storage Capacity UHS-II / V90 / U3 / Class 10 Max Read Speed: 300 MB/s Max Write Speed: 250 MB/s Min Write Speed: 90 MB/s Records 8K, 4K, HDR, and 360° Video Can Withstand 45 Pounds of Impact Water / Dust / Shock / X-Ray Proof Can Withstand Temperature Extremes No Built-In Write-Protect Switch