Dell PowerEdge R840 EMC Installation and Service Manual - Page 162

Expanded operating temperature restrictions, Ambient temperature limitations

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NOTE: When operating in the expanded temperature range, the performance of the system may be impacted. 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 • The operating temperature is specified for a maximum altitude of 950 m for Fresh Air Cooling. • Do not perform cold start below 5°C due to hard drive constraints. • Apache Pass DIMM, NVDIMM, PCIe SSD, and NVMe are not supported. • Tape Backup Unit (TBU) is not supported in Fresh Air. • LRDIMM >32 GB is not supported in x4 sockets configuration. • DCPMMs are not supported. • Rear installed drives and GPU configuration are not supported. • Redundant power supplies are required. • Non Dell qualified peripheral cards and /or peripheral cards greater than 25 W are not supported. • Intel FPGA is not supported. • 205 W SKUs, 200W/18C, 165W/12C, and 150W_8C processor are not supported on all x4 socket processor configurations. • 165 W SKUs, 130W/8C, 115W/6C, and 105W_4C are not supported on the x4 socket processor configurations except front x8 inch SAS/SATA drives configurations. Ambient temperature limitations NOTE: The ambient temperature limit must be adhered to ensure proper cooling and to avoid excess processor throttling, which may impact system performance. Table 41. Configuration-based ambient temperature restrictions with GPGPU TDP(W) R840 • 8 x 2.5 inch SAS/SATA • 2 x CPU • 2 x GPGPU R840 • 8 x 2.5 inch SAS/SATA • 4 x CPU • 2 x GPGPU R840 • 24 x 2.5 inch SAS/SATA • 2 x CPU • 2 x GPGPU R840 • 24 x 2.5 inch SAS/SATA • 4 x CPU • 2 x GPGPU C40E 35 30 45 C40E 35 30 C40E 35 45 45 30 C40E 35 30 45 205 N NN N NNN N NN NN 200 N NN N NNN N NN NN 165 (Gold 6146) N NN N NNN N NN NN 150 (Gold 6144 N NN N NNN N NN NN and 6244) 150 (Gold 6240Y) N NN N NNN N NN NY 165 N YY N YYN Y Y N NY 150 N YY N YYN Y Y N NY 140 N YY N YYN Y Y N NY 130 ( Gold N YY N YYN Y Y N NY 6134) 125 N YY N YYN Y Y N NY 115 ( Gold 6128) N YY N YYN Y Y N NY 115 N YY N YYN Y Y N NY R840 • 24 x 2.5 inch NVme • 4 x CPU • 2 x GPGPU C40E 35 30 45 N NN N NN N NN N NN N NY N NY N NY N NY N NY N NY N NY N NY 162 Technical specifications

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NOTE:
When operating in the expanded temperature range, the performance of the system may be impacted.
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
•
The operating temperature is specified for a maximum altitude of 950 m for Fresh Air Cooling.
•
Do not perform cold start below 5°C due to hard drive constraints.
•
Apache Pass DIMM, NVDIMM, PCIe SSD, and NVMe are not supported.
•
Tape Backup Unit (TBU) is not supported in Fresh Air.
•
LRDIMM >32 GB is not supported in x4 sockets configuration.
•
DCPMMs are not supported.
•
Rear installed drives and GPU configuration are not supported.
•
Redundant power supplies are required.
•
Non Dell qualified peripheral cards and /or peripheral cards greater than 25 W are not supported.
•
Intel FPGA is not supported.
•
205 W SKUs, 200W/18C, 165W/12C, and 150W_8C processor are not supported on all x4 socket processor configurations.
•
165 W SKUs, 130W/8C, 115W/6C, and 105W_4C are not supported on the x4 socket processor configurations except front x8 inch
SAS/SATA drives configurations.
Ambient temperature limitations
NOTE:
The ambient temperature limit must be adhered to ensure proper cooling and to avoid excess processor
throttling, which may impact system performance.
Table 41. Configuration-based ambient temperature restrictions with GPGPU
TDP(W)
R840
•
8 x 2.5 inch
SAS/SATA
•
2 x CPU
•
2 x GPGPU
R840
•
8 x 2.5 inch
SAS/SATA
•
4 x CPU
•
2 x GPGPU
R840
•
24 x 2.5 inch
SAS/SATA
•
2 x CPU
•
2 x GPGPU
R840
•
24 x 2.5 inch
SAS/SATA
•
4 x CPU
•
2 x GPGPU
R840
•
24 x 2.5 inch
NVme
•
4 x CPU
•
2 x GPGPU
C40E
45
35
30
C40E
45
35
30
C40E
45
35
30
C40E
45
35
30
C40E
45
35
30
205
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
200
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
165 (Gold
6146)
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
150 (Gold 6144
and 6244)
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
150 (Gold
6240Y)
N
N
N
N
N
N
N
N
N
N
N
Y
N
N
Y
165
N
Y
Y
N
Y
Y
N
Y
Y
N
N
Y
N
N
Y
150
N
Y
Y
N
Y
Y
N
Y
Y
N
N
Y
N
N
Y
140
N
Y
Y
N
Y
Y
N
Y
Y
N
N
Y
N
N
Y
130 ( Gold
6134)
N
Y
Y
N
Y
Y
N
Y
Y
N
N
Y
N
N
Y
125
N
Y
Y
N
Y
Y
N
Y
Y
N
N
Y
N
N
Y
115 ( Gold
6128)
N
Y
Y
N
Y
Y
N
Y
Y
N
N
Y
N
N
Y
115
N
Y
Y
N
Y
Y
N
Y
Y
N
N
Y
N
N
Y
162
Technical specifications