Z8 G4 Site Prep Guide

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Introduction
The Z8 G4 has been redesigned to deliver support for the latest processor, memory, graphics, and storage technologies.
There are two 90% efficiency-rated power supplies that qualify for 80 PLUS GOLD status*.
* The 80 PLUS specification states that all GOLD power supplies achieve at least 87%/90%/87% efficiency at 115v at
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 15A of 110V power, leaving no power for other accessories. A
typical office has several 15A circuits.
• A 1450W fully loaded configuration might draw up to 20A 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
• IMPORTANT: Z8 G4 1125W PSU Information
– The Z8 G4 Workstation with an 1125W power supply is capable of continuously supplying 1125W output power when
the input voltage is greater than 90V. If the input voltage is less than 90V for any reason (for example, brownout or line
sag), the maximum output power is limited to 900W.
– The Z8 G4 Workstation with an 1125W power supply is capable of continuously supplying 1275W output power when
the input voltage is greater than 105V. If the input voltage is less than 105V for any reason (for example, brownout or
line sag), the maximum output power is limited to 1125W. A UPS is high recommended to achieve the maximum
output power output of 1275W.
– The Z8 G4 Workstation with an 1125W power supply is capable of continuously supplying 1450W output power when
the input voltage is greater than 180V. If the input voltage is less than 180V for any reason (for example, brownout or
line sag), the maximum output power is limited to 1275W. If the input voltage is less than 105V but greater than 90V,
the maximum output power is limited to 1125W. If the input voltage is less than 90V, the maximum output power is
900W.
• IMPORTANT: Z8 G4 1450W PSU Information
– The Z8 G4 Workstation with a 1450W power supply is capable of continuously supplying 1450W output power when
the input voltage is greater than 90V. If the input voltage is less than 90V for any reason (for example, brownout or line
sag), the maximum output power is limited to 1160W.
– The Z8 G4 Workstation with a 1450W power supply is capable of continuously supplying 1550W output power when
the input voltage is greater than 105V. If the input voltage is less than 105V for any reason (for example, brownout or
line sag), the maximum output power is limited to 1160W. A UPS is high recommended to achieve the maximum
output power output of 1550W.
– The Z8 G4 Workstation with a 1450W power supply is capable of continuously supplying 1700W output power when
the input voltage is greater than 180V. If the input voltage is less than 180V for any reason (for example, brownout or
line sag), the maximum output power is limited to 1550W. If the input voltage is less than 105V but greater than 90V,
the maximum output power is limited to 1450W.If the input voltage is <90V for any reason, the maximum output
power is limited to 1160W.