Quick Specs

QuickSpecs
HP EliteBook 820 G3 Notebook PC
HP EliteBook 840 G3 Notebook PC
HP EliteBook 850 G3 Notebook PC
Technical Specifications
Not all configuration components are available in all regions/countries.
c04688005 – DA 15295 – World Wide – Version 20 – October 13, 2016
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0.38 W
0.48 W
0.37 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, 60Hz
Normal Operation (Short
idle)
30 BTU/hr
31 BTU/hr
30 BTU/hr
Normal Operation (Long
idle)
22 BTU/hr
23 BTU/hr
23 BTU/hr
Sleep
3 BTU/hr
3 BTU/hr
3 BTU/hr
Off
1 BTU/hr
2 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
2.8
20
Fixed Disk – Random
writes
3.0
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: