Environmental Specifications; Standard Operating Temperature Specifications; Expanded Operating Temperature Specifications - Dell EMC PowerEdge XE7440 Installation And Service Manual

Environmental specifications

The sections below contains information about the environmental specifications of the system.
NOTE: For additional information about environmental certifications, please refer to the Product Environmental Datasheet
located with the Manuals & Documents on

Standard operating temperature specifications

NOTE: All components including the DIMMs, communication cards, M.2 SATA, and PERC cards can be supported with
sufficient thermal margin if the ambient temperature is equal to or below to the maximum continuous operating temperature
listed in these tables except for the Mellanox DP LP card and Intel Rush Creek card.
Table 22. Standard operating temperature specifications
Standard operating temperature
Temperature ranges (for altitude less than 900 m or 2953 ft)

Expanded operating temperature specifications

NOTE: When operating in the expanded temperature range, system performance may be impacted.
NOTE: When operating in the expanded temperature range, ambient temperature warnings may be reported in the System
Event Log.
Operating temperature derating specifications
Table 23. Operating temperature
Operating temperature derating
≤ 35°C (95°F)
35°C–40°C (95°F–104°F)
40°C–45°C (104°F–113°F)
Relative humidity specifications
Table 24. Relative humidity specifications
Relative humidity
Storage
Operating
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Specifications
10°C–35°C (50°F–95°F) with no direct sunlight on the
equipment.
Specifications
Maximum temperature is reduced by 1°C/300 m (1.8°F/984
ft) above 900 meters (2953 ft).
Maximum temperature is reduced by 1°C/175 m (1.8°F/574
ft) above 900 meters (2953 ft).
Maximum temperature is reduced by 1°C/125 m (1.8°F/410
ft) above 900 meters (2953 ft).
Specifications
5% to 95% RH with 27°C (80.6°F) maximum dew point.
Atmosphere must be noncondensing always.
● < 35°C (95°F): 8% RH with -12°C minimum dew point to
80% RH with 21°C (69.8°F) maximum dew point.
● 35°C–40°C (95°F–104°F): 8% RH with -12°C minimum
dew point to 85% RH with 24°C (75.2°F) maximum dew
point.
● 40°C- 45°C(104°F–113°F): 8% RH with -12°C minimum
dew point to 90% RH with 24°C (75.2°F) maximum dew
point
Technical specifications 129