Environmental Specifications; Drive Case Temperature; Temperature; Temperature Gradient - Seagate ST4000VX000 Product Manual

2.9 Environmental specifications

This section provides the temperature, humidity, shock, and vibration specifications for SV HDDs. This section provides the
temperature, humidity, shock, and vibration specifications.

2.9.1 Drive case temperature

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 2.

2.9.2 Temperature

Non-operating (Ambient)
Operating ambient (min °C)
Operating (Drive case max °C)
†
Seagate does not recommend operating at sustained case temperatures above 60C.
Operating at higher temperatures will reduce useful life of the product.

2.9.3 Temperature gradient

Operating 20°C per hour (68°F per hour max), without condensation
Non-operating 30°C per hour (86°F per hour max)

2.9.4 Humidity

2.9.4.1 Relative humidity
Operating 5% to 95% non-condensing (30% per hour max)
Nonoperating 5% to 95% non-condensing (30% per hour max)
2.9.4.2 Wet bulb temperature
Operating 26°C / 78.8°F (rated)
Non-operating 29°C / 84.2°F (rated)

2.9.5 Altitude

Operating –304.8m to 3048m (–1000 ft. to 10,000+ ft.)
Non-operating –304.8m to 12,192m (–1000 ft. to 40,000+ ft.)
Seagate NAS HDD and NAS +SRS HDD Product Manual, Rev. E
–40° to 70°C (–40° to 158°F)
0°
†
70°
Drive Specifications
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