Dell Precision R5500 (Early 2011) - Manual (Page 95)

Power
Wattage 1023 W on 100 VAC to 120 VAC, 1100 W on 200 VAC to
240 VAC
Maximum heat dissipation 4774 BTU/hr
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
NOTE: See the safety information that shipped with your computer for important voltage setting information.
Physical
Height 86.30 mm (3.40 inches)
Width 440.60 mm (17.35 inches)
Depth
with front bezel 792.70 mm (31.21 inches)
without front bezel 753.60 mm (29.67 inches)
Weight (Minimum)
with front bezel 23.91 kg (52.6 lb)
without front bezel 23.52 kg (51.7 lb)
Environmental
Temperature:
Operating 10 °C to 35 °C (50 °F to 95 °F)
Storage -40 °C to 65 °C (-40 °F to 149 °F)
Relative humidity (maximum):
Operating 10% to 90% (noncondensing)
Storage 5% to 95% (noncondensing)
Maximum vibration:
Operating 5 Hz to 350 Hz at 0.0002 G2/Hz
Storage 5 Hz to 500 Hz at 0.001 to 0.01 G2/Hz
Maximum shock:
Operating 40 G +/- 5% with pulse duration of 2 msec +/- 10%
(equivalent to 20 in/sec [51 cm/sec])
Storage 105 G +/- 5% with pulse duration of 2 msec +/- 10%
(equivalent to 50 in/sec [127 cm/sec])
Altitude:
Operating –15.2 m to 3048 m (–50 ft to 10,000 ft)
Storage –15.2 m to 10,668 m (–50 ft to 35,000 ft)
Airborne contaminant level G1 or lower as defined by ISA-S71.04–1985
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