Dell PowerEdge T420 Getting Started Manual page 8

Power
Battery
Coin-cell battery
Physical
Tower
Height
Width
Depth
Rack
Height
Width
Depth (minimum)
Depth (maximum)
Maximum Configuration Weight
Empty Weight
Environmental
NOTE: For additional information about environmental measurements for specific system configurations, see
dell.com/environmental_datasheets.
Temperature
Operating
Storage
Relative humidity
8
3 V CR2032 Lithium coin cell
443.3 mm (17.45 inch) with feet
430.3 mm (16.94 inch) without feet
304.5 mm (11.99 inch) with feet opened
218 mm (8.58 inch) with feet closed
542.2 mm (21.35 inch) without bezel
558.6 mm (21.99 inch) with bezel
218 mm (8.58 inch)
430.3 mm (16.94 inch) without ears
482.4 mm (18.99 inch) with ears
538.4 mm (21.2 inch) from back of rack ears and with
cabled power supply module
584.05 mm (22.99 inch) from back of rack ears and with
external system fan
30. 16 kg (66.49 lb)
15.6 kg (34.39 lb)
Continuous operation: 10 °C to 35 °C (50 °F to 95 °F) at
10% to 80% relative humidity (RH), with 26 °C (78.8 °F)
max dew point. De-rate maximum allowable dry bulb
temperature at 1 °C per 300 m above 900 m (1 °F per 550
ft).
NOTE: For information on supported expanded
operating temperature range and configurations, see
support.dell.com/manuals.
–40 °C to 65 °C (–40 °F to 149 °F) with a maximum
temperature gradation of 20 °C (68 °F) per hour.