Dell EMC PowerEdge T640 D24XR Installation And Service Manual page 34

Table 16. Temperature specifications
Temperature
Storage
Continuous operation (for altitude less than 950 m or 3117
ft)
Fresh air
Maximum temperature gradient (operating and storage)
Table 17. Relative humidity specifications
Relative humidity
Storage
Operating
Table 18. Maximum vibration specifications
Maximum vibration
Operating
Storage
Table 19. Maximum shock specifications
Maximum vibration
Operating
Storage
Table 20. Maximum altitude specifications
Maximum altitude
Operating
Storage
Table 21. Operating temperature de-rating specifications
Operating temperature de-rating
Up to 35°C (95°F)
35°C to 40°C (95°F to 104°F)
34 Technical specifications
Specifications
–40°C to 65°C (–40°F to 149°F)
10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment.
For information about fresh air, see
section.
20°C/h (68°F/h)
Specifications
5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must be
non-condensing at all times.
10% to 80% relative humidity with 29°C (84.2°F) maximum dew point.
Specifications
0.26 G at 5 Hz to 350 Hz (all operation orientations).
rms
1.88 G at 10 Hz to 500 Hz for 15 min (all six sides tested).
rms
Specifications
Six consecutively executed shock pulses in the positive and negative x, y,
and z axes
Six consecutively executed shock pulses in the positive and negative x, y,
and z axes (one pulse on each side of the system) of 71 G for up to 2 ms.
Specifications
3048 m (10,000 ft)
12,000 m (39,370 ft)
Specifications
Maximum temperature is reduced by 1°C/300 m (1°F/547 ft) above 950 m
(3,117 ft).
Maximum temperature is reduced by 1°C/175 m (1°F/319 ft) above 950 m
(3,117 ft).
Expanded Operating Temperature