Seagate ST4000VM000 Video 3.5 HDD Product Manual (formerly Pipeline HD) - Page 18

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. Operating (drive case temperature) Nonoperating (ambient) 0° to 75°C (32° to 167°F) -40° to 70°C (-40° to 158°F) 2.9.2 Temperature gradient Operating Nonoperating 20°C per hour (68°F per hour max), without condensation 30°C per hour (86°F per hour max) 2.9.3 Humidity 2.9.3.1 Relative humidity Operating Nonoperating 2.9.3.2 Wet bulb temperature Operating Nonoperating 5% to 95% noncondensing (30% per hour max) 5% to 95% noncondensing (30% per hour max) 37.7°C (99.9°F max) 40°C (104°F max) 2.9.4 Altitude Operating Nonoperating -60.96m to 3048m (-200 ft. to 10,000+ ft.) -60.96m to 12,192m (-200 ft. to 40,000+ ft.) 18 Video 3.5 HDD Product Manual, Rev. H