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Z8 G5 Site Prep Guide
Table of contents
Introduction ............................................................................................................................................................................ 2
Power consumption and cooling considerations .............................................................................................................. 2
Power consumption limitations 2..........................................................................................................................................
Uninterruptible power supply (UPS) ................................................................................................................................... 2
Power consumption for the HP Z8 G5 Workstation ......................................................................................................... 4
Power cord ............................................................................................................................................................................. 4
Cooling considerations ......................................................................................................................................................... 6
2
Introduction
The Z8 G5 has been redesigned to deliver support for the latest processor, memory, graphics, and storage technologies.
There are two 90% efficien -rated power supplies that qualify for 80 PLUS GOLD status*. cy
* The 80 PLUS specification states that all GOLD power supplies achieve at least 87%/90%/87% efficiency at 115V and
90%/92%/89% efficiency at 230V for 20%/50%/100% of rated output, respectively.
Power consumption and cooling considerations
An HP workstation might require more power than the typical office environment can supply.
• An 1125W fully loaded configuration might draw up to the system’s maximum rating of 12A at 110V power, leaving no
power for other accessories.
• A 1450W fully loaded configuration might draw up to 16A of 110V power, leaving no power for other accessories.
• An office air conditioning system must accommodate the extra heat generated by fully loaded workstation
configurations.
• Some environments might have power quality problems that prevent the reliable use of high-end workstation
configurations. Possible problems include power failure, voltage sag, voltage surge, voltage spike, brownout, line
noise, frequency variation, and switching transient and harmonic distortion.
• If your workstation is powered from a >200V source and you meet the HP configuration guidelines, you will not need an
uninterruptible power supply (UPS) to achieve maximum power output.
Power consumption limitations
– The Z8 G5 power supplies are capable of multiple output power wattages depending on the input voltage. It is not
recommended to operate in an environment that drops below 90V for any reason (for example, brownout or line sag)
as the AC brown out voltage detection circuit for the power supply may be triggered and shut the PSU down
unexpectedly. A UPS is highly recommended to achieve maximum output power when used at 100V.
Input Voltage and Maximum Output Power Summary
Z8 G5 maximum power output
Input voltage
<90V
>90V
>104V
>180V
1125W PSU
900W
Not recommended
1125W
1275W
1450W
1450W PSU
1160W
Not recommended
1450W
1550W
1700W
Uninterruptible power supply (UPS)
• What is a power interruption?
A power interruption can take the form of a power failure (blackout), voltage sag, voltage surge, voltage spike, brownout
(drop), line noise, frequency variation, and switching transient and harmonic distortion.
• What is an uninterruptible power supply (UPS)?
A UPS provides power when the primary source is unavailable or insufficient. It keeps the computer powered on and
operational in the event of a power interruption.
There are three types of UPS standby/offline, line Interactive, and online continuous. standby/offline UPS enables the –A
computer to draw power from the main AC power source until there is a power interruption. It protects against power
surges, brownouts, and power failure s.
A line interactive UPS protects against power problems, power failure, sags, surges, brownouts, and line noise. The
supply offers voltage regulation by bumping the mains voltage up or down. This feature improves the quality of AC power
to the supported load, reduces the number of transfers to and from battery mode, reduces the number of brief power
interruptions to the load when switching to and from battery mode, and improves battery life.
3
An online continuous UPS is the most dependable solution. It is also referred to as a double-conversion UPS. It provides
protection against power failures, sags, surges, brownouts, line noise, spikes, frequency variations, switching transients,
and harmonic distortion. The inverter is always on and supplies the supported load with clean, regulated power, and the
incoming power is always fully conditioned. Constant voltage and frequency regulation significantly reduce switching to
and from the battery, increasing the life and reliability of the UPS.
• How do you select a UPS?
Use a UPS for a fully loaded workstation configuration that operates in a poor power grid area. The UPS must be rated at
least 2kVA for the 1125W PSU. A UPS is necessary because without line conditioning to guarantee the minimum input
voltage the maximum output power is limited. See

Produktspecifikationer

Varumärke: HP
Kategori: Inte kategoriserad
Modell: Z8 G5

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