Dell EMC PowerEdge R740, Инструкция по установке и обслуживанию

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• Do not perform a cold startup below 5°C.
• The operating temperature specified is for a maximum altitude of 3050 m (10,000 ft).
• 150 W/8 core, 165 W/12 core and higher wattage processor [Thermal Design Power (TDP)>165 W] are not supported.
• Redundant power supply unit is required.
• Non-Dell qualified peripheral cards and/or peripheral cards greater than 25 W are not supported.
• PCIe SSD is not supported.
• NVDIMM-Ns are not supported.
• GPU is not supported.
• Tape backup unit is not supported.
Thermal restrictions
Following table lists the configuration required for efficient cooling.
Table 33. Thermal restrictions configuration
Configuration Number of
processors
Heatsink Processor/DIMM
blank
DIMM
blanks
Type of air
shroud
Fan
PowerEdge
R740 1 One 1U standard heat sink for
CPU ≤ 125 W Required Not
required Standard Four standard
fans and one
blank to cover
two fan slots
One 2U standard heat sink for
CPU > 125 W
PowerEdge
R740 2 Two 1U standard heat sink for
CPU ≤ 125 W Not required Not
required Standard Six standard fans
Two 2U standard heat sink for
CPU > 125 W
PowerEdge
R740 with GPU 2 Two 1U high performance
heat sink Not required Not
required GPU air shroud Six high
performance
fans
Ambient temperature limitations
The following table lists configurations that require ambient temperature less than 35°C.
NOTE: The ambient temperature limit must be adhered to ensure proper cooling and to avoid excess CPU throttling, which may
impact system performance.
Table 34. Configuration based ambient temperature restrictions
System Front backplane CPU Thermal
Design Power
(TDP)
CPU heat sink Fan type GPU Ambient
restriction
PowerEdge
R740 8 x 3.5 inch SAS/
SATA 150 W/8 core, 165
W/12 core, 200
W, 205 W 1U high
performance High performance
fan ≥1 double-width/
single-width 30°C
8 x 2.5 inch SAS/
SATA 150 W/8 core, 165
W/12 core, 200
W, 205 W 1U high
performance High performance
fan ≥1 double-width/
single-width 30°C
Technical specifications 41