Dell OptiPlex 390 Owners Manual - Page 86

VAC to 240 VAC, 50 Hz to 60 Hz, 3.6 A, 5.0 - mini tower

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Controls and Lights of the computer) and the electrical outlet. NOTE: You can test the health of the power system by pressing the test button. When the system power supply voltage is within specification, the self-test LED lights up. If the LED does not light up, the power supply may be defective. AC power must be connected during this test. Power Mini-Tower Desktop Small Form Factor Coin-cell battery Wattage 265 W 250 W 240 W Maximum Heat Dissipation 1390 BTU/hr 1312 BTU/hr 1259 BTU/hr Voltage 100 VAC to 240 VAC, 50 Hz to 60 Hz, 5.0 A 100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.4 A 100 VAC to 240 VAC, 50 Hz to 60 Hz, 3.6 A; 3 V CR2032 lithium coin cell NOTE: Heat dissipation is calculated by using the power supply wattage rating. Physical Mini-Tower Desktop Small Form Factor Height Width 36.00 cm (14.17 17.50 cm (6.89 inches) inches) 36.00 cm (14.17 10.20 cm (4.01 inches) inches) 29.00 cm (11.42 9.26 cm (3.65 inches) inches) Depth Weight 41.70 cm (16.42 8.87 kg (19.55 lb) inches) 41.00 cm (16.14 7.56 kg (16.67 lb) inches) 31.20 cm (12.28 5.70 kg (12.57 lb) inches) Environmental Temperature range: 86

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Controls and Lights
of the computer) and the electrical
outlet.
NOTE:
You can test the health
of the power system by
pressing the test button. When
the system power supply
voltage is within specification,
the self-test LED lights up. If the
LED does not light up, the
power supply may be defective.
AC power must be connected
during this test.
Power
Wattage
Maximum
Heat
Dissipation
Voltage
Mini-Tower
265 W
1390 BTU/hr
100 VAC to 240 VAC, 50 Hz to 60 Hz, 5.0 A
Desktop
250 W
1312 BTU/hr
100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.4 A
Small Form
Factor
240 W
1259 BTU/hr
100 VAC to 240 VAC, 50 Hz to 60 Hz, 3.6 A;
Coin-cell
battery
3 V CR2032 lithium coin cell
NOTE:
Heat dissipation is calculated by using the power supply wattage rating.
Physical
Height
Width
Depth
Weight
Mini-Tower
36.00 cm (14.17
inches)
17.50 cm (6.89
inches)
41.70 cm (16.42
inches)
8.87 kg (19.55 lb)
Desktop
36.00 cm (14.17
inches)
10.20 cm (4.01
inches)
41.00 cm (16.14
inches)
7.56 kg (16.67 lb)
Small Form
Factor
29.00 cm (11.42
inches)
9.26 cm (3.65
inches)
31.20 cm (12.28
inches)
5.70 kg (12.57 lb)
Environmental
Temperature range:
86