Dell PowerEdge R640 EMC PowerEdge R640 Installation and Service Manual - Page 39

Expanded operating temperature restrictions, Thermal restrictions

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NOTE: When operating in the expanded temperature range, ambient temperature warnings may be 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 specified is for a maximum altitude of 3050 m (10,000 ft). • 150 W/8 C, 165 W/12 C and higher wattage processor(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. • NVDIMM-Ns are not supported. • DCPMMs are not supported. • GPU is not supported. • PCIe SSD is not supported. • Rear installed drives are not supported • Tape backup unit is not supported. Thermal restrictions The following table lists the configurations required for efficient cooling. Table 33. Thermal restrictions configuration Number Configuration of process ors Heatsink Processor/ DIMM blank One 1U standard heat sink for CPU ≤ 165 W Not required 1 One 1U 2-pipe heat PowerEdge sink for CPU=200/205 W and 150 W/165 W Required R640 (2.5 inch FO* hard drives x 10) Two 1U standard heat sink for CPU ≤ 165 W 2 Two 1U 2-pipe heat Not required sink for CPU=200/205 W and 150 W/165 W FO* Two 1U standard heat PowerEdge sink for CPU ≤ 165 W R640 (2.5 inch hard drives x 2 Two 1U 2-pipe heat Not required 10 with NVMe sink for CPU=200/205 drives) W and 150 W/165 W FO* PowerEdge R640 (2.5 inch hard drives x 8) (3.5 inch hard drives x 4) One 1U standard heat sink for CPU ≤ 165 W Not required One 1U 2-pipe heat 1 sink for CPU=150 W/165 W FO* One 1U 2-pipe heat Required sink for CPU=200/205 W 2 Two 1U standard heat sink for CPU ≤ 165 W Required DIMM blanks Maximum number of DIMM blanks Required for processor 1 11 blanks Required 22 blanks Required 22 blanks Required for processor 1 11 blanks Fan Five standard fans Eight high performance fans Eight standard fans Eight high performance fans Eight high performance fans Five standard fans Eight high performance fans Eight standard fans Technical specifications 39

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NOTE:
When operating in the expanded temperature range, ambient temperature warnings may be 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 specified is for a maximum altitude of 3050 m (10,000 ft).
•
150 W/8 C, 165 W/12 C and higher wattage processor(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.
•
NVDIMM-Ns are not supported.
•
DCPMMs are not supported.
•
GPU is not supported.
•
PCIe SSD is not supported.
•
Rear installed drives are not supported
•
Tape backup unit is not supported.
Thermal restrictions
The following table lists the configurations required for efficient cooling.
Table 33. Thermal restrictions configuration
Configuration
Number
of
process
ors
Heatsink
Processor/
DIMM blank
DIMM
blanks
Maximum number of
DIMM blanks
Fan
PowerEdge
R640 (2.5 inch
hard drives x
10)
1
One 1U standard heat
sink for CPU ≤ 165 W
Not required
Required for
processor 1
11 blanks
Five standard fans
One 1U 2-pipe heat
sink for CPU=200/205
W and 150 W/165 W
FO*
Required
Eight high performance
fans
2
Two 1U standard heat
sink for CPU ≤ 165 W
Not required
Eight standard fans
Two 1U 2-pipe heat
sink for CPU=200/205
W and 150 W/165 W
FO*
Required
22 blanks
Eight high performance
fans
PowerEdge
R640 (2.5 inch
hard drives x
10 with NVMe
drives)
2
Two 1U standard heat
sink for CPU ≤ 165 W
Not required
Required
22 blanks
Eight high performance
fans
Two 1U 2-pipe heat
sink for CPU=200/205
W and 150 W/165 W
FO*
PowerEdge
R640
(2.5 inch hard
drives x 8)
(3.5 inch hard
drives x 4)
1
One 1U standard heat
sink for CPU ≤ 165 W
Not required
Required for
processor 1
11 blanks
Five standard fans
One 1U 2-pipe heat
sink for CPU=150
W/165 W FO*
Required
One 1U 2-pipe heat
sink for CPU=200/205
W
Eight high performance
fans
2
Two 1U standard heat
sink for CPU ≤ 165 W
Required
Eight standard fans
Technical specifications
39