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36 About Your Computer
Power
DC power supply:
Wa tt ag e
375/525 W
Heat dissipation
375-W PSU: 1279 BTU/hr
525-W PSU: 1790 BTU/hr
NOTE: Heat dissipation is calculated based
upon the power supply wattage rating.
Voltage
manual selection power supplies—90 to
135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz
Backup battery 3-V CR2032 lithium coin cell
Physical
Height
44.8 cm (17.6 inches)
Width
17.1 cm (6.8 inches)
Depth
46.7 cm (18.4 inches)
Weight
17.7 kg (39 lb)
Supported monitor weight (in
desktop orientation)
45.4 kg (100 lb)
Environmental
Temperature:
Operating
10° to 35°C (50° to 95°F)
Storage
–40° to 65°C (–40° to 149°F)
Relative humidity 20% to 80% (noncondensing)
Maximum vibration:
Operating
0.25 G at 3 to 200 Hz at 0.5 octave/min
Storage
0.5 G at 3 to 200 Hz at 1 octave/min