Power

Wattage

Maximum

Voltage

 

 

Heat

 

 

 

Dissipation

 

 

 

 

 

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

240 W

1259 BTU/hr

100 VAC to 240 VAC, 50 Hz to 60 Hz, 3.6 A;

Factor

 

 

100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.0 A

Ultra Small

200 W

758 BTU/hr

100 VAC to 240 VAC, 50 Hz to 60 Hz, 2.9 A

Form Factor

 

 

 

Coin-cell

3 V CR2032 lithium coin cell

 

battery

 

 

 

NOTE: Heat dissipation is calculated by using the power supply wattage rating.

Physical

Height

Width

Depth

Weight

 

 

 

 

 

Mini-Tower

36.00 cm (14.17

17.50 cm (6.89

41.70 cm (16.42

8.87 kg (19.55 lb)

 

inches)

inches)

inches)

 

Desktop

36.00 cm (14.17

10.20 cm (4.01

41.00 cm (16.14

7.56 kg (16.67 lb)

 

inches)

inches)

inches)

 

Small Form

29.00 cm (11.42

9.26 cm (3.65

31.20 cm (12.28

5.70 kg (12.57 lb)

Factor

inches)

inches)

inches)

 

Ultra Small

23.70 cm (9.33

6.50 cm (2.56

24.00 cm (9.45

3.27 kg (7.20 lb)

Form Factor

inches)

inches)

inches)

 

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

101

Page 101
Image 101
Dell 990 service manual Power Wattage Maximum Voltage Heat Dissipation, Physical Height Width Depth Weight, Environmental