Expanded operating temperature
Table 36. Expanded operating temperature specifications
Expanded operating temperature Specifications
Continuous operation 5°C to 40°C at 5% to 85% RH with 29°C dew point.
NOTE: Outside the standard operating temperature (10°C
to 35°C), the appliance can operate continuously in
temperatures as low as 5°C and as high as 40°C.
For temperatures between 35°C and 40°C, de-rate maximum
allowable temperature by 1°C per 175 m above 950 m (1°F
per 319 ft).
≤ 1% of annual operating hours –5°C to 45°C at 5% to 90% RH with 29°C dew point.
NOTE: Outside the standard operating temperature (10°C
to 35°C), the appliance can operate down to –5°C or
up to 45°C for a maximum of 1% of its annual operating
hours.
For temperatures between 40°C and 45°C, de-rate maximum
allowable temperature by 1°C per 125 m above 950 m (1°F
per 228 ft).
NOTE: When operating in the expanded temperature range:
● The performance of the appliance may be impacted.
● The ambient temperature warnings may be reported 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).
● Redundant power supply units are required.
● Non-Dell EMC qualified peripheral cards and/or peripheral cards greater than 25 W are not supported.
Thermal restrictions
The following table lists the configurations required for efficient cooling.
Table 37. Thermal restrictions configuration
Config # of
processor
Heatsink Proc/DIMM
blank
DIMM blanks Max number of DIMM
blanks
Fan
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
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
Required 22 blanks Eight high
performance fans
Technical specifications 27
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