Dell PowerEdge SDS 100 Dell PowerEdge R720 and R720xd Owner's Manual - Page 144
For PowerEdge R720, maximum 130 W, Expanded Operating Temperature Restrictions
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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 < 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). • 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. 144