Dell PE R720XD Owner's Manual page 139

Environmental
Storage Temperature
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.
–40 °C to 65 °C (–40 °F to 149 °F) with a maximum
temperature gradation of 20 °C per hour.
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