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Video 3.5 HDD Product Manual, Rev. J 15
2.9 Environmental specifications
This section provides the temperature, humidity, shock, and vibration specifications. Ambient temperature is
defined as the temperature of the environment immediately surrounding the drive. Above 1000ft. (305 meters),
the maximum temperature is derated linearly by 1°C every 1000 ft.
2.9.1 Drive case temperature
Drive case temperature should be measured at the location indicated in Figure 3 on page 23.
* Ambient temperature is defined as the temperature of the environment immediately surrounding the drive.
2.9.2 Temperature gradient
Operating 20°C per hour (68°F per hour max.), without condensation
Non-operating 30°C per hour (86°F per hour max.)
2.9.3 Humidity
2.9.3.1 Relative humidity
Operating 5% to 90% noncondensing (30% per hour max.)
Non-operating 5% to 95% noncondensing (30% per hour max.)
2.9.3.2 Wet bulb temperature
Operating 37.7°C (99.9°F max.)
Non-operating 40.0°C (104°F max.)
2.9.4 Altitude
Operating –60.96m to 3,048m (–200 ft to 10,000+ ft)
Non-operating –60.96m to 12,192m (–200 ft to 40,000+ ft)
Note.
The recommended storage period.
• One year under controlled conditions of 34°C; 90% RH or less.
• 90 days in uncontrolled storage
Operating (drive case temperature) 0° to 75°C (32° to 167°F)
Non-operating (ambient *) –40° to 70°C (–40° to 158°F)