NOTE: When operating in the expanded temperature range, ambient temperature warnings maybereported on the LCD panel and in the System Event Log.GUID-C7ED6A84-6734-4315-B167-92B007911598Expanded 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).• 160 W or higher wattage 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.• The 3.5-inch hard drive chassis supports a maximum of 120 W processor.• The 2.5-inch hard drive chassis supports a maximum of 145 W processor.• Only SSDs are allowed in the hard drive slots at the back of the 3.5-inch hard drive chassis.• Mid drive configurations, eight 3.5-inch and eighteen 1.8-inch SSD configurations are not supported.• GPU is not supported• Tape backup unit (TBU) is not supported.27