Owners Manual
NOTE: When operating in the expanded temperature range, ambient temperature warnings maybe reported on the LCD panel
and in the System Event Log.
Expanded operating temperature restrictions
• Do not perform a cold startup below 5°C.
• The operating temperature specied is for a maximum altitude of 3050 m (10,000 ft).
• 150 W/8 core or higher wattage processor [Thermal Design Power (TDP)>165 W] is not supported.
• Redundant power supply unit is required.
• Non-Dell EMC qualied peripheral cards and/or peripheral cards greater than 25 W are not supported.
• NVMe drives are not supported.
Thermal restrictions
The following table lists the conguration required for ecient cooling:
Table 32. Thermal restriction for ecient cooling
Conguration Number of
processors
Heatsink Processor blank DIMM blanks Fan
Twenty four 2.5
inch hard drive
system
2 Two standard heat sinks for CPU <
165W
Not required 12 eight standard fans
Two heat sinks for CPU ≥ 165 W
4 Four standard heat sinks for CPU
< 165 W
Not required 24 eight standard fans
Four heat sinks for CPU ≥ 165 W
Table 33. NIC card slot restrictions
Conguration Slot restriction Ambient restriction
Twenty four 2.5-inch hard drive system Slots 1, 5, and 6 do not support NIC
cards
35°C
28 Technical specications