Seagate NAS HDD Product Manual, Rev. C 13
www.seagate.com Drive Specifications
2.8 Environmental specifications
This section provides the temperature, humidity, shock, and vibration specifications for NAS HDDs. This section provides
the temperature, humidity, shock, and vibration specifications.
2.8.1 Drive case temperature
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 2.
2.8.2 Ambient Temperature
2.8.3 Temperature gradient
2.8.4 Humidity
2.8.4.1 Relative humidity
2.8.4.2 Wet bulb temperature
Operating 0° to 60°C (32° to 140°F)
Non-operating –40° to 70°C (–40° to 158°F)
Operating 20°C per hour (36°F per hour max), without condensation
Non-operating 30°C per hour (54°F per hour max)
Operating 5% to 90% non-condensing (30% per hour max)
Nonoperating 5% to 95% non-condensing (30% per hour max)
Operating 30°C (86°F max)
Non-operating 37.7°C (99.86°F max)