Dell PowerEdge External Media System 1434 Dell PowerEdge R720 and R720xd Owner - Page 145

°C to 65 °C -40 °F to 149 °F

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Environmental NOTE: For additional information about environmental measurements for specific system configurations, see dell.com/environmental_datasheets. Temperature Maximum Temperature Gradient (Operating and Storage) Storage Temperature Limits Temperature (Continuous Operation) Temperature Ranges (for altitude less than 950 m or 3117 ft) 20 °C/h (36 °F/h) -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. NOTE: When using PowerEdge R720 with internal GPU card(s), the continuous operation range is 10 °C to 30 °C at 10% to 80% RH, with 26 °C max dew point. Humidity Percentage Range Relative Humidity Storage Maximum Vibration Operating Storage Maximum Shock Operating Storage Maximum Altitude Operating Storage Operating Altitude De-rating Up to 35 °C (95 °F) 35 °C to 40 °C (95 °F to 104 °F) 40 °C to 45 °C (104 °F to 113 °F) 10% to 80% Relative Humidity with 26 °C (78.8 °F) maximum dew point. 5% to 95% RH with 33 °C (91 °F) maximum dew point. Atmosphere must be non-condensing at all times. 0.26 Grms at 5 Hz to 350 Hz (all operation orientations). 1.87 Grms at 10 Hz to 500 Hz for 15 min (all six sides tested). One shock pulse in the positive z axis of 31 G for 2.6 ms in all operational orientations. 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. 3048 m (10,000 ft). 12,000 m (39,370 ft). 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). Maximum temperature is reduced by 1 °C/125 m (1 °F/228 ft) above 950 m (3,117 ft). 145

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Environmental
NOTE:
For additional information about environmental measurements for specific system configurations, see
dell.com/environmental_datasheets
.
Temperature
Maximum Temperature Gradient (Operating and
Storage)
20 °C/h (36 °F/h)
Storage Temperature Limits
–40 °C to 65 °C (–40 °F to 149 °F)
Temperature (Continuous Operation)
Temperature Ranges (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.
NOTE:
When using PowerEdge R720 with internal
GPU card(s), the continuous operation range is 10 °C
to 30 °C at 10% to 80% RH, with 26 °C max dew point.
Humidity Percentage Range
10% to 80% Relative Humidity with 26 °C (78.8 °F)
maximum dew point.
Relative Humidity
Storage
5% to 95% RH with 33 °C (91 °F) maximum dew point.
Atmosphere must be non-condensing at all times.
Maximum Vibration
Operating
0.26 G
rms
at 5 Hz to 350 Hz (all operation orientations).
Storage
1.87 G
rms
at 10 Hz to 500 Hz for 15 min (all six sides
tested).
Maximum Shock
Operating
One shock pulse in the positive z axis of 31 G for 2.6 ms in
all operational orientations.
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
Operating
3048 m (10,000 ft).
Storage
12,000 m (39,370 ft).
Operating Altitude De-rating
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).
145