2.10Environmental specifications

2.10.1Ambient temperature

Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 70°C (158°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:

0° to 60°C (32° to 140°F)

 

 

Nonoperating:

–40° to 70°C (–40° to 158°F)

 

 

2.10.2Temperature 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

 

 

2.10.3Humidity

2.10.3.1Relative humidity

Operating

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

 

 

Nonoperating

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

 

 

2.10.3.2Wet bulb temperature

Operating

37.7°C (99.86°F max)

 

 

Nonoperating

40°C (104°F max)

 

 

2.10.4Altitude

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)

 

 

Momentus 5400.6 SATA Product Manual, Rev. A

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Seagate ST9500325ASG, ST9320325ASG, ST9250315ASG, ST9160314ASG, ST9120315AS manual Environmental specifications