Standard Operating Temperature; Expanded Operating Temperature - Dell EMC PowerEdge T640 D24XR Installation And Service Manual

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Operating temperature de-rating
40°C to 45°C (104°F to 113°F)

Standard operating temperature

Table 22. Standard operating temperature specifications
Standard operating temperature
Continuous operation (for altitude less than 950 m or 3117
ft)

Expanded operating temperature

Table 23. Expanded operating temperature specifications
Expanded operating temperature
Continuous operation
≤ 1% of annual operating hours
NOTE:
When operating in the expanded temperature range, system performance may be impacted.
NOTE:
When operating in the expanded temperature range, ambient temperature warnings maybe reported in the System Event
Log.
Expanded operating temperature restrictions and Fresh Air restrictions
Six hot swappable fans (standard fans) are required.
Two PSUs in redundancy mode are required, but PSU failure is not supported.
3.5-inch x 18 hard drives is not supported.
NVMe or PCIe SSD is not supported.
GPGPU is not supported.
Processor > 165 W is not supported.
Internal TBU (tape backup drive) is not supported.
Specifications
Maximum temperature is reduced by 1°C/125 m (1°F/228 ft) above 950 m
(3,117 ft).
Specifications
10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment.
Specifications
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 system 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).
–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 system 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).
Technical specifications
35

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