1. 4K UHD video 3840*2160 at 30fps (average file size with 1 hour recording time: 20.2 GB). 2. picture 4000*3000 (average) File size: 2.8 MB). 3. MP3 (average MP3) File size: 10.7 MB). 4. up to 400 MB/s for models with 256 and 128 GB; up to 300 MB/s for models with 64 GB. 5. 1 GB = 1,000,000,000 bytes. The actual storage capacity may be less than specified. Parts of the memory can be used for system files or other storage mechanisms. 6. up to 72 hours in seawater compliant with IEC 60529 and IPX7. 7. acceleration up to 1,500 g. 8. up to 15,000 gauss (corresponds to MRI level). 9. operating temperatures between 0°C and 60°C, storage temperatures from -10°C to 70°C. 10. up to 50 X-rays (corresponds to security systems at airports). 11. copy time approx. 8 seconds on models with 256 and 128 GB; copy time approx. 10 seconds on models with 64 GB. Test performed on an Asus Z370-G motherboard with Intel Core i7-8700K processor and 3.7 GHz clock rate, 8GB DDR4 and Windows 10 Enterprise 64-bit. 12 Samsung is not responsible for any damage, data loss or consequential damage caused by memory card data recovery. 13. Samsung Magician software is available for Windows, macOS and Android. It requires Windows 7 and higher, macOS High Sierra (10.13.6) and higher or Android 5.1 (Lollipop) and higher. Older versions of Windows, macOS and Android operating systems may not be supported.