- Notes, cautions, and warnings
- Dell EMC PowerEdge M640 system overview
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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 (68°F/h) |
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 26°C (78.8°F) maximum dew point. |
Maximum vibration | Specifications |
---|---|
Operating | 0.26 Grms at 5 Hz to 350 Hz (all operation orientations). |
Storage | 1.87 Grms at 10 Hz to 500 Hz for 15 min (all six sides tested). |
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. |
Maximum altitude | Specifications |
---|---|
Operating | 3048 m (10,000 ft) |
Storage | 12,000 m (39,370 ft) |
Operating temperature de-rating | Specifications |
---|---|
Up to 35°C (95°F) | Maximum temperature is reduced by 1°C/300 m (1°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°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°F/228 ft) above 950 m (3,117 ft). |