Dell PowerEdge R930 Owner's Manual page 173

Expanded Operating Temperature
NOTE: When operating in the expanded temperature range, ambient temperature warnings may be
reported on the LCD and in the System Event Log.
< 10% of annual operating hours
< 1% of annual operating hours
Expanded operating temperature restrictions
NOTE: Your system is capable of 40°C and 45°C excursion operation for fresh air cooled data
centers.
NOTE: For additional information about environmental measurements for specific system
configurations, see Dell.com/environmental_datasheets.
Temperature
Maximum temperature gradient (operating and
storage)
Storage temperature limits
Temperature (Continuous Operation)
Temperature ranges (for altitude less than 950 m
or 3117 ft)
5°C to 40°C at 5% to 85% RH with 26°C dew point.
NOTE: Outside the standard operating
temperature (10°C to 35°C), the system can
operate down to 5°C or up to 40°C for a
maximum of 10% of its annual operating
hours.
For temperatures between 35°C and 40°C, de-
rate maximum allowable dry bulb temperature by
1°C per 175 m above 950 m (1°F per 319 ft).
–5°C to 45°C at 5% to 90% RH with 26°C dew
point.
NOTE: Outside the standard operating
temperature (10°C to 35°C), the system can
operate down to –5°C or up to 45°C for a
maximum of 1% of its annual operating hours.
For temperatures between 40°C and 45°C, de-
rate maximum allowable dry bulb temperature by
1°C per 125 m above 950 m (1°F per 228 ft).
• Do not perform a cold startup below 5°C.
• The operating temperature specified is for a
maximum altitude of 3050 m (10,000 ft).
• 130 W (4 core) processor is not supported.
• Redundant power supply units are required.
• Non Dell qualified peripheral cards and/or
peripheral cards greater than 25 W are not
supported.
20°C/h (36°F/h)
–40°C to 65°C (–40°F to 149°F)
10°C to 35°C (50°F to 95°F) with no direct sunlight
on the equipment.
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