System Fan Off
Sound Power
(LWAd, bels)
Sound Pressure
(LpAm, decibels)
Idle
1.5
24.2
Fixed Disk
(random writes)
2.2
25.4
System fan is usually off except when charging the battery
Batteries
This battery(s) in this product comply with EU Directive 2006/66/EC
Batteries used in the product do not contain:
Mercury greater the 5ppm by weight
Cadmium greater than 10ppm by weight
The battery type and chemistry used in the product is:
CR2032 (coin cell), Li-ion
6-cell high capacity Li Metal battery (optional 8 cell available)
Additional
information
This product is in compliance with the Restrictions of Hazardous Substances
(RoHS) directive – 2002/95/EC.
This HP product is designed to comply with the Waste Electrical and Electronic
Equipment (WEEE) Directive – 2002/96/EC.
This product is in compliance with California Proposition 65 (State of
California; Safe Drinking Water and Toxic Enforcement Act of 1986).
This product is in compliance with the IEEE 1680 (EPEAT) standard at the Gold
level, see:
www.epeat.net
Plastics parts weighing over 25 grams used in the product are marked per ISO
11469 and ISO1043.
This product contains 0% post consumer recycled plastic (by wt.)
This product is greater than 90% recycle-able when properly disposed of at
end of life.
Packaging Materials
External:
Corrugated Carton 412 g
Corrugated 326 g
Internal:
Molded Pulp 150 g
Polyethylene low density 20 g
The Polyethylene low density packaging material is made from 85%
recycled content.
The Corrugated Carton packaging material is made from 85% recycled
content.
The Corrugated packaging material is made from 85% recycled content.
The Molded Pulp packaging material is made from 90% recycled
QuickSpecs
HP ProBook 4320s Notebook PC
HP ProBook 4420s Notebook PC
Technical Specifications
DA - 13568 North America — Version 19 — September 29, 2011
Page 33
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