Dell OptiPlex 9020 Setup & Features Manual page 8

Power:
Voltage
Coin-cell battery
Wattage:
Mini-Tower
Small Form Factor
Ultra Small Form Factor
Maximum heat dissipation:
Mini-Tower
Small Form Factor
Ultra Small Form Factor
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Physical Mini-Tower
Height 360 mm (14.17
inches)
Width 175 mm (6.89
inches)
Depth 417 mm (16.42
inches)
Weight 9.40 kg (20.72 lb)
(minimum)
Environmental
Operating Temperature:
Information para NOM (únicamente para México)
The following information is provided on the device described in this document in
compliance with the requirements of the official Mexican standards (NOM).
8
100 VAC to 240 VAC
3 V CR2032 lithium coin cell
290 W
255 W
200 W
989.00 BTU/hr
870.00 BTU/hr
682.40 BTU/hr
Small Form Factor Ultra Small Form
Factor
290 mm (11.42 inches) 237 mm (9.33
inches)
93 mm (3.66 inches) 65 mm (2.56 inches)
312 mm (12.28 inches) 240 mm (9.45
inches)
6.00 kg (13.22 lb) 3.30 kg (7.28 lb)
5 °C to 35 °C (41 °F to 95 °F)