Power, Thermal, Acoustic; Power Efficiencies; Power Supplies; Power Supply Specifications - Dell PowerEdge T710 Technical Manual

Dell

5 Power, Thermal, Acoustic

5.1 Power Efficiencies

The Dell™ PowerEdge™ T710 achieves a high-level of power efficiency by implementing the following
features:

User-selectable power cap (subsystems throttle to maintain the specified power cap)

Improved power budgeting

Larger heat-sinks for processors and IOH

Accurate inlet temperature

Power-supply and voltage-regulator (VR) efficiency improvements

Use of switching regulators instead of linear regulators

Closed-loop thermal throttling

Increased rear venting and 3D venting

Pulse-width modulated (PWM) fans with an increased number of fan zones and configuration-
dependent fan speeds

Use of DDR3 memory (lower voltage compared to DDR2, UDIMM)

Processor VR dynamic phase shedding

Memory VR static phase shedding

Random time interval for system start

Ability for an entire rack to power on without exceeding the available power

BIOS Power/Performance options page

BIOS-based processor P-state manager (power management in a virtualized environment)

Active Power Controller (BIOS-based CPU P-state manager)

Ability to power down or throttle memory

Option to disable a processor core

Ability to turn off embedded NICs or PCIe lanes when not being used

Option to run PCIe at Gen1 speeds instead of Gen2

5.2 Power Supplies

The base redundant T710 system consists of two hot-plug 1100W power supplies in a 1+1
configuration.
The power supplies connect directly to the planar. There is a power cable to connect between the
planar and the backplane. The T710 power supplies have embedded cooling fans.
Field replaceable unit (FRU) data is stored in the memory of the power supply microcontroller.
Additionally, the power supply firmware can be updated by the iDRAC over the PMBus.
Power is soft-switched, allowing power cycling using a switch on the front of the system enclosure or
by software control (through server management functions).
In a single power supply configuration, the power supply is installed in PS1 location and a power
supply blank (metal cover) is installed in PS2 location for proper system cooling.

5.3 Power Supply Specifications

The T710 power supply is rated at 1100W. It operates on input voltages ranging from 90-264V, auto-
switching to the sensed line level.
PowerEdge T710 Technical Guide 20