Dell OptiPlex 755 User Manual page 179

(continued)
Power
Heat dissipation
Voltage
Backup battery
Physical
Height
Width
Depth
Weight
Environmental
Temperature:
Operating
Storage
Relative humidity
Maximum vibration:
Operating
Storage
Maximum shock:
Operating
Storage
Altitude:
Operating
Storage
Airborne contaminant level
938 BTU/hr
NOTE:
Heat dissipation is calculated based upon the power supply
rating.
manual selection power supplies — 90 to 135 V at 50/60 Hz; 180 to
265 V at 50/60 Hz
3-V CR2032 lithium coin cell
9.26 cm (3.65 inches)
31.37 cm (12.35 inches)
34.03 cm (13.40 inches)
7.4 kg (16.4 lb)
10° to 35°C (50° to 95°F)
–40° to 65°C (–40° to 149°F)
20% to 80% (noncondensing)
0.25 G at 3 to 200 Hz at 0.5 octave/min
0.5 G at 3 to 200 Hz at 1 octave/min
bottom half-sine pulse with a change in velocity of 20 inches/sec
(50.8 cm/sec)
27-G faired square wave with a velocity change of 200 inches/sec
(508 cm/sec)
–15.2 to 3048 m (–50 to 10,000 ft)
–15.2 to 10,668 m (–50 to 35,000 ft)
G2 or lower as defined by ISA-S71.04-1985
Small Form Factor Computer Specifications
179