Seagate ST9250412AS Momentus 7200 FDE.2 SATA Product Manual - Page 18

2.10 Environmental specifications 2.10.1 Ambient temperature Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 65°C (149°F) within the operating ambient conditions. Above 1,000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet. Operating Nonoperating 0° to 60°C (32° to 140°F) -40° to 70°C (-40° to 158°F) 2.10.2 Temperature gradient Operating Nonoperating 20°C per hour (68°F per hour max), without condensation 35°C per hour (95°F per hour max), without condensation 2.10.3 Humidity 2.10.3.1 Relative humidity Operating Nonoperating 5% to 95% noncondensing (30% per hour max) 5% to 95% noncondensing (30% per hour max) 2.10.3.2 Wet bulb temperature Operating Nonoperating 37.7°C (99.8°F max) 40°C (104°F max) 2.10.4 Altitude Operating Nonoperating -304.8 m to 3,048 m (-1,000 ft to 10,000+ ft) -304.8 m to 12,192 m (-1,000 ft to 40,000+ ft) 12 Momentus 7200 FDE.2 SATA Product Manual, Rev. B