HP Z440

HP Z640 power supply specications
925w 90% Ecient, Custom PSU (Wide-Ranging,
Active PFC)
Operating voltage range 90–269 VAC
Rated voltage range
100–127 V
200–240 V
118 V
Rated line frequency 50–60 Hz 400 Hz
Operating line frequency range 47–66 Hz 393–407 Hz
Rated input current
11.3A @ 100–127 VAC
5.5A @ 200–240 VAC
11.3A @ 400 V
Heat dissipation (conguration and software dependent)
Typical: 2105 btu/hr (530 kg cal/hr)
Max: 3629 btu/hr (914 kg cal/hr)
Power supply fan (All fans are variable speed) 92x25mm
ENERGY STAR Qualied (Conguration dependent) Yes
Power supply eciency 90% ecient
FEMP Standby Power Compliant @115V (<1W in S5 – Power O) Yes
ErP Compliant @ 230V (<0.5 W in S5 – Power O) Yes
CECP Compliant @ 220V (<4W in S3 – Suspend to RAM) Yes; Conguration dependent
Power consumption in sleep mode (as dened by ENERGY STAR) <20 W
Built-in Self Test LED Yes
Surge Tolerant Full Ranging Power Supply (withstands power surges up to
2000V)
Yes
70 Chapter 3 Component replacement information and guidelines