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12 Momentus 5400 FDE.4 SATA Product Manual, Rev. C

2.10 Environmental specifications

2.10.1 Ambient temperature

Ambient temperature is defined as the temperature of th

e 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.

2.10.2 Temperature gradient

Operating 20°C per hour (68°F per hour max), without condensation

Nonoperating 35°C per hour (95°F per hour max), without condensation

2.10.3 Humidity

2.10.3.1 Relative humidity

Operating 5% to 95% noncondensing (30% per hour max)

Nonoperating 5% to 95% noncondensing (30% per hour max)

2.10.3.2 Wet bulb temperature

Operating 37.7°C (99.86°F max)

Nonoperating 40°C (104°F max)

2.10.4 Altitude

Operating –304.8 m to 3048 m (–1000 ft to 10,000+ ft)

Nonoperating –304.8 m to 12,192 m (–1000 ft to 40,000+ ft)

Operating 0° to 60°C (32° to 140°F)

noperating –40° to 70°C (–40° to 158°F)

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Acer Power 5400 Handbuch Seite 18