Quick Specs
QuickSpecs 
HP ZBook 15 G4 Mobile Workstation 
Technical Specifications - Environmental Data 
c05381086 — DA -15742 Worldwide — Version 2 —April 21, 2017 
Page 42 
ENVIRONMENTAL DATA 
Eco-Label Certifications & 
declarations 
This product has received or is in the process of being certified to the following approvals and 
may be labeled with one or more of these marks: 
  IT ECO declaration 
  US ENERGY STAR® 
  US Federal Energy Management Program (FEMP) 
  EPEAT® GOLD registered in the United States. See http://www.epeat.net for registration 
status in your country. 
System Configuration 
The configuration used for the Energy Consumption and Declared Noise Emissions data for the 
Notebook model is based on a “Typically Configured Notebook”. 
Energy Consumption 
(in accordance with US ENERGY 
STAR® test method) 
115VAC, 60Hz 
230VAC, 50Hz 
100VAC, 50Hz 
 Normal Operation (Sort idle) 
11.20 W 
10.51 W 
11.24 W 
 Normal Operation (Long idle) 
6.70 W 
6.30 W 
6.37 W 
 Sleep 
1.13 W 
1.12 W 
1.14 W 
 Off 
0.41 W 
0.43 W 
0.42 W 
Note: 
Energy efficiency data listed is for an ENERGY STAR® compliant product if offered within the 
model family. HP computers marked with the ENERGY STAR® Logo are compliant with the 
applicable U.S. Environmental Protection Agency (EPA) ENERGY STAR® specifications for 
computers. If a model family does not offer ENERGY STAR® compliant configurations, then 
energy efficiency data listed is for a typically configured PC featuring a hard disk drive, a high 
efficiency power supply, and a Microsoft Windows® operating system. 
Heat Dissipation* 
115VAC, 60Hz 
230VAC, 50Hz 
100VAC, 50Hz 
 Normal Operation (Short idle) 
38 BTU/hr 
36 BTU/hr 
38 BTU/hr 
 Normal Operation (Long idle) 
23 BTU/hr 
22 BTU/hr 
22 BTU/hr 
 Sleep 
4 BTU/hr 
4 BTU/hr 
4 BTU/hr 
 Off 
1.4 BTU/hr 
1 BTU/hr 
1 BTU/hr 
*NOTE: Heat dissipation is calculated based on the measured watts, assuming the service level is 
attained for one hour. 
Declared Noise Emissions 
(in accordance with 
ISO 7779 and ISO 9296) 
Sound Power 
(L
WAd
, bels) 
Sound Pressure 
(L
pAm
, decibels) 
Typically Configured – Idle 
3.2 
22 
Fixed Disk – Random writes 
3.2 
21 
Longevity and Upgrading 
This product can be upgraded, possibly extending its useful life by several years. Upgradeable 
features and/or components contained in the product may include: 
•  3 USB ports 
•  2 Thunderbolt™ 3 ports 
•  1 2.5” Storage Bay Drive 
•  2 M.2 SATA SED Solid State Drives 










