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. 1GB = 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 sea water. 7. up to 1,500 gravitational accelerations. 8. up to 15,000 gauss (equivalent to MRI). 9. operating temperatures: from 0°C to 60°C, not in operation: from -10°C to 70°C. 10. up to 50 x-rays (equivalent to airport x-ray machines). 11. copy time approx. 8 seconds on models with 256 and 128 GB; copy time approx. 10 seconds on models with 64 GB (tested in combination with Asus Z370-G, Intel i7-8700K.3.70GHz, 8GB DDR4 and Windows 10 Enterprise 64bit). The actual speed may vary depending on the host device or conditions of use. 12 Samsung is not liable for any damage and/or data loss or costs incurred by UFD 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.