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Digital Persona Pro AD: Designed for the enterprise customer. Integrates with Active Directory and
gives IT Managers the ability to provision users, create login policies based on passwords,
biometrics or smartcards. Management features also include remote credential recovery in case
the user forgets the password, loses the smartcard or cannot use the fingerprint reader for any
reason. In addition, advanced auditing capabilities are also built in. Digital Persona Pro AD is
available now.
Digital Persona Pro Workgroup: Designed for the small business customer. Provides features
similar to the Active Directory version, but for workgroups. Workgroup activation is built into HP
ProtectTools, and activation of up to 5 seats is completely free.
Power Supply
Power SupplyPower Supply
Power Supply
Models with integrated graphics: External 65-watt Smart AC adapter
External 90-watt Smart AC adapter
6-foot (1.8-meter) power cord included; total length including external AC adapter is 12 feet (3.66
meter)
HP Fast Charge
*
* HP Fast Charge recharges your battery up to 90% within 90 minutes when the system is off. HP Fast
Charge does not apply to the HP 9-cell battery.
Battery
BatteryBattery
Battery
Primary battery
Primary batteryPrimary battery
Primary battery
HP 9-cell (93 WHr) Li-Ion battery
HP 6-cell (47 WHr) Li-Ion battery
Battery Life
Battery LifeBattery Life
Battery Life
Configurations with integrated graphics
Configurations with integrated graphicsConfigurations with integrated graphics
Configurations with integrated graphics
HP ProBook 4320s
HP ProBook 4320sHP ProBook 4320s
HP ProBook 4320s
9-cell battery
9-cell battery9-cell battery
9-cell battery
Up to 10 hours
6-cell battery
6-cell battery6-cell battery
6-cell battery
Up to 5 hours
HP ProBook 4420s
HP ProBook 4420sHP ProBook 4420s
HP ProBook 4420s
9-cell battery
9-cell battery9-cell battery
9-cell battery
Up to 10 hours
6-cell battery
6-cell battery6-cell battery
6-cell battery
Up to 4 hours and 30 minutes
NOTE:
NOTE:NOTE:
NOTE:
Battery life will vary depending on the product model, configuration, loaded applications,
features, use, wireless functionality and power management settings. The maximum capacity of the
battery will naturally decrease with time and usage. See MobileMark07 battery benchmark
www.bapco.com/products/mobilemark2007
for additional details.
System Standby Time
System Standby TimeSystem Standby Time
System Standby Time
Up to 1 week
Power Conservation
Power ConservationPower Conservation
Power Conservation
Supports enhanced Intel SpeedStep technology (allows Battery Optimized Mode, Maximum Performance
Mode, or Automatic mode)
ATI PowerPlay technology
Hibernation
Standby
ACPI compliance
QuickSpecs
HP ProBook 4320s Notebook PC
HP ProBook 4320s Notebook PCHP ProBook 4320s Notebook PC
HP ProBook 4320s Notebook PC
HP ProBook 4420s Notebook PC
HP ProBook 4420s Notebook PCHP ProBook 4420s Notebook PC
HP ProBook 4420s Notebook PC
Standard Features (availability may vary by country)
DA - 13568 North America — Version 10 — July 23, 2010
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