HP Z440, Z640, and Z840 Workstation Series - Maintenance and Service Guide

Power supply
Power supply specications
All power supplies have these specications:
Wide-ranging, active Power Factor Correction (PFC)
ENERGY STAR® qualied (conguration dependent)
FEMP Standby Power compliant @115V (<1 W in S5 – Power O)
ErP Compliant @ 230 (<0.5 W in S5 – Power O)
CECP Compliant @ 220V (<4W in S3 – Suspend to RAM)
Surge tolerant (withstands power surges up to 2000V)
HP Z440 power supply specications
700W 90% Ecient, Custom PSU
(Wide-Ranging, Active PFC)
525W 85% Ecient, Custom PSU
(Wide-Ranging, Active PFC)
Operating voltage range 90–269 VAC 90–269 VAC
Rated voltage range 100–240 VAC 118 VAC 100–240 VAC 118 VAC
Rated line frequency 50–60 Hz 400 Hz 50–60 Hz 400 Hz
Operating line frequency range 47–66 Hz 393–407 Hz 47–66 Hz 393–407 Hz
Rated input current
100–240V @
9.5A
118V @ 9.5A 100–240V @
9.5A
118V @ 9.5A
Heat dissipation (conguration and software
dependent)
Typical: 1648 btu/hr (415 kg cal/hr)
Max: 2746 btu/hr (692 kg cal/hr)
Typical: 1311 btu/hr (330 kg cal/hr)
Max: 2185 btu/hr (551 kg cal/hr)
Power supply fan (All fans are variable speed) 92x25mm 92x25mm
ENERGY STAR Qualied (Conguration dependent) Yes Yes
Power supply eciency 90% ecient 85% ecient
FEMP Standby Power Compliant @115V (<1W in S5
– Power O)
Yes Yes
ErP Compliant @ 230V (<0.5 W in S5 – Power O) Yes Yes
CECP Compliant @ 220V (<4W in S3 – Suspend to
RAM)
Yes; Conguration dependent Yes; Conguration dependent
Power consumption in sleep mode (as dened by
ENERGY STAR)
<15 W <15 W
Built-in Self Test LED Yes Yes
Surge Tolerant Full Ranging Power Supply
(withstands power surges up to 2000V)
Yes Yes
Component replacement guidelines 69