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18 Video 3.5 HDD Product Manual, Rev. H
Drive Specifications www.seagate.com
2.9 Environmental specifications
2.9.1 Drive case temperature
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. Drive case temperature should be measured at the
location indicated in Figure 4.
2.9.2 Temperature gradient
Operating 20°C per hour (68°F per hour max), without
condensation
Nonoperating 30°C per hour (86°F per hour max)
2.9.3 Humidity
2.9.3.1 Relative humidity
Operating 5% to 95% noncondensing
(30% per hour max)
Nonoperating 5% to 95% noncondensing
(30% per hour max)
2.9.3.2 Wet bulb temperature
Operating 37.7°C (99.9°F max)
Nonoperating 40°C (104°F max)
2.9.4 Altitude
Operating –60.96m to 3048m (–200 ft. to 10,000+ ft.)
Nonoperating –60.96m to 12,192m (–200 ft. to 40,000+ ft.)
Operating (drive case temperature) 0° to 75°C (32° to 167°F)
Nonoperating (ambient) –40° to 70°C (–40° to 158°F)