Dell PowerEdge R720 Owner's Manual - Page 138

Expanded Operating Temperature Restrictions, Standard Operating Temperature

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Environmental NOTE: For additional information about environmental measurements for specific system configurations, see dell.com/environmental_datasheets. Standard Operating Temperature Continuous operation: 10 °C to 35 °C at 10% to 80% relative humidity (RH), with 26 °C max dew point. De-rate maximum allowable dry bulb temperature at 1 °C per 300 m above 900 m (1 °F per 550 ft). NOTE: When using PowerEdge R720 with internal GPU card(s), the continuous operation range is 10 °C to 30 °C at 10% to 80% RH, with 26 °C max dew point. Expanded Operating Temperature 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 on the LCD and in the System Event Log. < 10% of annual operating hours < 1% of annual operating hours Expanded Operating Temperature Restrictions 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). • PCIe SSD is not supported. • GPU is not supported. • LRDIMM is not supported. • 130 W (4 core) processor is not supported. • Redundant power supplies are required. • Non Dell qualified peripheral cards and/or peripheral cards greater than 25 W are not supported. 138

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Environmental
NOTE:
For additional information about environmental measurements for specific system configurations, see
dell.com/environmental_datasheets
.
Standard Operating Temperature
Continuous operation: 10 °C to 35 °C at 10% to 80%
relative humidity (RH), with 26 °C max dew point. De-rate
maximum allowable dry bulb temperature at 1 °C per 300
m above 900 m (1 °F per 550 ft).
NOTE:
When using PowerEdge R720 with internal
GPU card(s), the continuous operation range is 10 °C
to 30 °C at 10% to 80% RH, with 26 °C max dew point.
Expanded Operating Temperature
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 on the LCD and in the System Event Log.
< 10% of annual operating hours
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).
< 1% of annual operating hours
–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).
Expanded Operating Temperature Restrictions
•
Do not perform a cold startup below 5 °C.
•
The operating temperature specified is for a
maximum altitude of 3050 m (10,000 ft).
•
PCIe SSD is not supported.
•
GPU is not supported.
•
LRDIMM is not supported.
•
130 W (4 core) processor is not supported.
•
Redundant power supplies are required.
•
Non Dell qualified peripheral cards and/or
peripheral cards greater than 25 W are not
supported.
138