Dell EMC PowerEdge R740xd Technical Specifications

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Environmental specifications

NOTE: For additional information about environmental certifications, please refer to the Product Environmental Datasheet located with the Manuals & Documents on www.dell.com/poweredgemanuals.

Table 1. Temperature specifications
The table below shows the optimal working temperature specifications:
Temperature	Specifications
Storage	–40°C to 65°C (–40°F to 149°F)
Continuous operation (for altitude less than 950 m or 3117 ft)	10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment.
Maximum temperature gradient (operating and storage)	20°C/h (36°F/h)

Table 2. Relative humidity specifications
The table below shows the relative humidity specification during operations and storage:
Relative humidity	Specifications
Storage	5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must be non-condensing at all times.
Operating	10% to 80% relative humidity with 29°C (84.2°F) maximum dew point.

Table 3. Maximum vibration specifications
The table below shows the maximum vibration specifications during operations and storage:
Maximum vibration	Specifications
Operating	0.26 G_rms at 5 Hz to 350 Hz (all three axes).
Storage	1.88 G_rms at 10 Hz to 500 Hz for 15 min (all six sides tested).

Table 4. Maximum shock specifications
The table below shows the maximum shock specifications during operations and storage:
Maximum shock	Specifications
Operating	Six consecutively executed shock pulses in the positive and negative x, y, and z axes of 6 G for up to 11 ms.
Storage	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.

Table 5. Maximum altitude specifications
The table below shows the maximum altitude specifications during operations and storage.
Maximum altitude	Specifications
Operating	3048 m (10,000 ft)
Storage	12,000 m (39,370 ft)

Table 6. Operating temperature de-rating specifications
The table below shows the operating temperature de-rating specifications:
Operating temperature de-rating	Specifications
Up to 35°C (95°F)	Maximum temperature is reduced by 1°C/300 m (1.8°F/547 ft) above 950 m (3,117 ft).
35°C to 40°C (95°F to 104°F)	Maximum temperature is reduced by 1°C/175 m (1.8°F/319 ft) above 950 m (3,117 ft).
40°C to 45°C (104°F to 113°F)	Maximum temperature is reduced by 1°C/125 m (1.8°F/228 ft) above 950 m (3,117 ft).