Filter
Top Products
NOTE: When upgrading your system, it is recommended that you download and install the latest BIOS, driver, and
systems management firmware on your system from support.dell.com.
Obtaining Technical Assistance
If you do not understand a procedure in this guide or if the system does not perform as expected, see your
Owner’s
Manual
. Dell offers comprehensive hardware training and certification. See dell.com/training for more information. This
service may not be offered in all locations.
NOM Information
The following information is provided on the device described in this document in compliance with the requirements of
the official Mexican standards (NOM):
Importer:
Dell Inc. de México, S.A. de C.V.
Paseo de la Reforma 2620 -11º Piso
Col. Lomas Altas
11950 México, D.F.
Model number: E20S
Supply voltage: 100–240 V CA (with 495 W, 550 W, 750 W, and 1100 W AC power supply units)
Frequency: 50 Hz/60 Hz (AC power supply unit)
Current consumption: 12 A – 6.5 A (X2) (with 1100 W AC power supply unit)
10 A – 5 A (X2) (with 750 W AC power supply unit)
6.5 A – 3 A (X2) (with 495 W AC power supply unit)
7.4 A – 3.7 A (with 550 W non-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 support.dell.com.
Power
AC Power Supply (per power supply)
Wattage 495 W, 550 W, 750 W, or 1100 W
Heat dissipation
NOTE: Heat dissipation is calculated using the
power supply wattage rating.
1908 BTU/hr maximum (495 W power supply)
2891 BTU/hr maximum (750 W power supply)
4100 BTU/hr maximum (1100 W power supply)
2317 BTU/hr maximum (550 W non-redundant power
supply)
Voltage
NOTE: This system is also designed to be
connected to IT power systems with a phase to
phase voltage not exceeding 230 V.
100 V AC to 240 V AC, autoranging, 50 Hz/60 Hz
7