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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).
• 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.
NOTE: For PowerEdge R720, maximum 130 W
processor is supported in either 8 hard drive or 16
hard drive chassis.
NOTE: The following additional restrictions apply to
PowerEdge R720xd.
• Maximum 95 W processor supported on 3.5 inch hard
drive chassis.
• Maximum 115 W processor supported on 2.5 inch
hard drive chassis.
• Only SSDs are allowed in the hard drive slots at the
back of the 3.5 inch hard drive chassis.
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