Server User Manual

10
Momentus 5400.2 Blade Server Product Manual, Rev. B
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 40°C (104°F) within the operating ambient conditions.
Above 1,000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet.
2.10.2 Temperature gradient
2.10.3 Humidity
2.10.3.1 Relative humidity
2.10.3.2 Wet bulb temperature
2.10.4 Altitude
Operating 5° to 40°C (41° to 104°F)
Nonoperating –40° to 70°C (–40° to 158°F)
Operating 20°C per hour (68°F per hour max), without condensation
Nonoperating 30°C per hour (86°F per hour max), without condensation
Operating 5% to 90% noncondensing (30% per hour max)
Nonoperating 5% to 95% noncondensing (30% per hour max)
Operating 30°C (86°F max)
Nonoperating 40°C (104°F max)
Operating –304.8 m to 3,048 m (–1,000 ft to 10,000 ft)
Nonoperating –304.8 m to 12,192 m (–1,000 ft to 40,000 ft)