Dell OptiPlex 9020 Owner's Manual - Small Form Factor - Page 58
°C to 65 °C -40 °F to 149 °F - dimensions
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Feature Network activity light on integrated network adapter Power supply diagnostic light Specification Green - a good 100 Mbps connection exists between the network and the computer. Orange - a good 1000 Mbps connection exists between the network and the computer. Off (no light) - the computer is not detecting a physical connection to the network. Yellow light - A blinking yellow light indicates that network activity is present. Green light - The power supply is turned on and is functional. The power cable must be connected to the power connector (at the back of the computer) and the electrical outlet. Table 27. Power NOTE: Heat dissipation is calculated by using the power supply wattage rating. Power Mini-Tower Wattage 290 W Small Form Factor 255 W Ultra Small Form Factor 200 W Coin-cell battery Maximum Heat Dissipation Voltage 989.00 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 5.4 A 870.00 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.6 A 682.40 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 2.9 A 3 V CR2032 lithium coin cell Table 28. Physical Dimension Physical Height Mini-Tower 36.00 cm (14.17 inches) Small Form Factor 29.00 cm (11.42 inches) Ultra Small Form Factor 23.70 cm (9.33 inches) Width Depth 17.50 cm (6.89 inches) 41.70 cm (16.42 inches) 9.30 cm (3.66 inches) 31.20 cm (12.28 inches) 6.50 cm (2.56 inches) 24.00 cm (9.45 inches) Weight 9.40 kg (20.72 lb) 6.00 kg (13.22 lb) 3.30 kg (7.28 lb) Table 29. Environmental Feature Temperature range: Operating Storage Relative humidity (maximum): Operating Specification 5 °C to 35 °C (41 °F to 95 °F) -40 °C to 65 °C (-40 °F to 149 °F) 20 percent to 80 percent (non-condensing) 58