Dell T420 Technical Manual
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29 PowerEdge T420 Technical Guide
Feature
Description
Active power management
(redundant PSU only)
Intel Node Manager is an embedded technology that provides individual
server-level power reporting and power limiting functionality. Dell offers a
complete power management solution comprised of Intel Node Manager
accessed through Dell iDRAC7 Enterprise and OpenManage Power Center
that allows policy-based management of power and thermals at the
individual server, rack and data center level.
Hot spare reduces power consumption of redundant power supplies.
Thermal control of fan speed optimizes the thermal settings for your
environment to reduce fan consumption and lower system power
consumption.
Idle power enables Dell servers to run as efficiently when idle as when at full
workload.
Fresh Air cooling
(redundant PSU only)
With the thermal design and reliability of Dell products, you can have the
capability to operate at excursion-based temperatures beyond the industry
standard of 35°C (95°F) without impacting your availability model. This
solution takes into account servers, networking, storage, and other
infrastructure. Find additional information at Dell.com/FreshAir.
Rack infrastructure
Dell offers some of the industry’s highest-efficiency power infrastructure
solutions, including:
Power distribution units (PDUs)
Uninterruptible power supplies (UPS)
Energy Smart containment rack enclosures
Find additional information at content.dell.com/us/en/enterprise/
power-and-cooling-technologies-components-rack-infrastructure.aspx.
Find additional information at Dell.com/PowerAndCooling and Power.com/PowerCenter.
Power supply units
Energy Smart power supplies (redundant power suppliess only) have intelligent features, such as the
ability to dynamically optimize efficiency while maintaining availability and redundancy. Also
featured are enhanced power-consumption reduction technologies, such as high-efficiency power
conversion and advanced thermal-management techniques, and embedded power-management
features, including high-accuracy power monitoring.
The T420 power supply subsystem consists of a single, cabled power supply or up to two AC-DC
redundant power supplies. The following power supply options are available for the T420:
550W AC, cabled, non-redundant
495W AC, hot-plug redundant
750W AC, hot-plug redundant
1100W AC, hot-plug redundant