QuickSpecs

Integrated Trusted
Platform Module
Integrated TPM 1.2
Power Supply Headers Yes
Power Switch, Power LED
& Hard Drive LED Header
Yes
Clear Password Jumper Yes
Serial Port 1 internal header
Parallel Port No
Keyboard/Mouse USB or PS/2
Power Supply
Power Supply 600W 90% Efficient, Custom PSU
(Wide-Ranging, Active PFC)
400W 90% Efficient, 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
Rated Line Frequency 50–60 Hz 400 Hz 50–60 Hz
Operating Line Frequency
Range
47–66 Hz 393-407 Hz 47-66 Hz
Rated Input Current 100–240 V @ 8.0 A 118 V @ 8.0 A 100-240V @ 5.5A
Heat Dissipation Typical: 1365btu/hr (344 kg-cal/hr)
Maximum: 2354btu/hr (593 kg-cal/hr)
Typical = 910 btu/hr (229 kg-cal/hr)
Max = 1569 btu/hr (395 kg-cal/hr)
Power Supply Fan 92x25 mm variable speed 92x25 mm variable speed
ENERGY STAR Qualified
(Configuration
dependent)
Yes Yes
80 PLUS® Compliant Yes, 90% Efficient
The Z420 600W power supply efficiency report can
be found at this link:
http://www.plugloadsolutions.com/
psu_reports/
HEWLETT PACKARD_623193-001_
ECOS 2619 1_600W_Report.pdf
Yes, 90% Efficient
The Z420 400W power supply efficiency report can
be found at this link:
http://www.plugloadsolutions.com/
psu_reports/
HEWLETT-PACKARD_619397-
001_ECOS%202277%201_400W
_Report.pdf
FEMP Standby Power
Compliant @115V (Wake-
on LAN disabled) (<2W in
S5 - Power Off)
Yes Yes
EuP Compliant @ 230V
(<1 W in S5 - Power Off)
Yes Yes
CECP Compliant @ 220V
(<4W in S3 - Suspend to
RAM)
Yes; Configuration dependent Yes; Configuration dependent
QuickSpecs
HP Z420 Workstation
System Technical Specifications
DA - 14261 North America — Version 36 — March 1, 2014 Page 17