Current consumption:

7.4 A – 3.7 A (X2) (with 550 W Redundant AC Power Supply Unit)

Technical Specifications

NOTE: The following specifications are only those required by law to ship with your system. For a complete and current listing of the specifications for your system, go to dell.com/support.

Power

AC Power Supply (per power supply)

Wattage

550 W

Heat dissipation

2132 BTU/hr maximum (redundant, 550 W power

NOTE: Heat dissipation is calculated

supply)

 

using the power supply wattage

 

rating.

 

Voltage

100–240 V AC, autoranging, 50/60 Hz

NOTE: This system is also designed to be connected to IT power systems with a phase to phase voltage not exceeding 230 V.

Battery

 

Coin-cell battery

3 V CR2032 Lithium coin cell

 

 

Physical

 

 

 

Height

42.8 mm (1.6 inch)

Width

 

With rack latches

486.0 mm (19.1 inch)

Without rack latches

434.0 mm (17.0 inch)

Depth (excludes bezel)

508.0 mm (20.0 inch)

Weight (maximum)

12.2 kg (27.0 lb)

Weight (empty)

8.8 kg (19.5 lb)

Environmental

NOTE: For additional information about environmental measurements for specific system configurations, see dell.com/environmental_datasheets.

Temperature

 

Maximum Temperature Gradient (Operating and

20 °C/h (36 °F/h)

Storage)

 

Storage Temperature Limits

–40 °C to 65 °C (–40 °F to 149 °F)

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Dell R420xr manual Technical Specifications