Dell OptiPlex 990 Desktop - Page 101

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;
100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.0 A
Ultra Small
Form Factor
200 W 758 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 2.9 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)
Ultra Small
Form Factor
23.70 cm (9.33
inches)
6.50 cm (2.56
inches)
24.00 cm (9.45
inches)
3.27 kg (7.20 lb)
Environmental
Temperature range:
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 20% to 80% (non-condensing)
Storage 5% to 95% (non-condensing)
Maximum vibration:
Operating 0.26 GRMS
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