Seagate ST4000VM000 Environmental specifications Drive case temperature, Temperature gradient

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2.9Environmental 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)	0° to 75°C (32° to 167°F)
Nonoperating (ambient)	–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

2.9.3.1Relative humidity

Operating

Nonoperating

5% to 95% noncondensing

(30% per hour max)

5% to 95% noncondensing

(30% per hour max)

2.9.3.2Wet bulb temperature

Operating

Nonoperating

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