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HP Customer Support - Knowledge Base

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HP Pro 3420 All-in-One PC Product Specifications

Product description

HP Pro 3420 All-in-One Business PC is completely new and powerful enough to handle all computing tasks. A full-function, great looking PC with a heritage of quality and reliability. The space-saving all-in-one form factor integrates desktop computer, 20 inch diagonal HD+ WLED backlit monitor, webcam, and dual microphone array to help make collaboration simpler.

Product features

Feature
Description
Processors
Intel 2nd Generation Core i3 Processors
  • Intel Core i3-2100 Processor (3.1 GHz, 3MB cache, 2C/4T, HD Graphics 2000)
  • Intel Core i3-2105 Processor (3.1 GHz, 3MB cache, 2C/4T, HD Graphics 3000)
  • Intel Core i3-2120 Processor (3.3 GHz, 3MB cache, 2C/4T, HD Graphics 2000)
  • Intel Core i3-2130 Processor (3.4 GHz, 3MB cache, 2C/4T, HD Graphics 2000)
Intel Pentium
  • Intel Pentium G620 Processor (2.6 GHz, 3MB L3 cache, 2 cores)
  • Intel Pentium G630 Processor (2.7 GHz, 3MB L3 cache, 2 cores)
  • Intel Pentium G840 Processor (2.8 GHz, 3MB L3 cache, 2 cores)
  • Intel Pentium G850 Processor (2.9 GHz, 3MB L3 cache, 2 cores)
  • Intel Pentium G860 Processor (3.0 GHz, 3MB L3 cache, 2 cores)
Intel Celeron Dual Core
  • Intel Celeron G530 Processor (2.4 GHz, 2MB L3 cache, 2 cores)
  • Intel Celeron G540 Processor (2.5 GHz, 2MB L3 cache, 2 cores)
Chipset
Intel H61
Graphics
Integrated Intel HD Graphics 2000 or 3000, DirectX 10 capable
Form factor
All-in-one
Display
20-inch diagonal widescreen HD+ (900p) WLED anti-glare display
Resolution
1600 x 900 resolution (16:9)
Contrast ratio
1000:1 typical
Image brightness
250 nits typical
Refresh rate
5 ms
Viewing angle (typical)
  • Horizontal viewing angle: 160°
  • Vertical viewing angle: 160°
Memory
PC3-10600 DDR3 1333-MHz non-ECC SDRAM
Maximum memory supported
8GB 1333-MHz DDR3 SDRAM
Memory slots
2 SODIMM
Communications
Integrated Realtek RTL8111E 10/100/1000 Ethernet controller
HP 802.11 PCIe Minicard wireless module
  • Support for 802.11 b, g, and n
  • Up to 300 MB/s data rate
  • Built-in antennas (1 transmit, 1 receive)
Ports
  • 6 USB 2.0
  • 1 audio headphone jack
  • 1 microphone in
  • 1 audio line out
  • 1 power connector
  • 1 RJ-45
Audio/Visual
Integrated audio card
Power supply
External 120-W 87% efficient power supply

Electrical specifications

Specification
Description
Electrical ratings
100-240 V, 50/60 Hz, 2.0 A
Idle operating power
Integrated graphics: 30 W
Max operating power
<120 W

Physical specifications

Specification
Description
Dimensions (H x W x D)
Chassis (with stand):
  • 39.5 x 50.5 x 10 cm (15.55 x 19.88 x 3.94 in)
Packaging dimensions:
  • 51.7 x 58.9 x 24.5 cm (20.35 x 23.19 x 9.65 in)
Weight
6.08 kg (13.40 lb)

Software/OS

Feature
Description
Operating systems supported
  • Genuine Windows 7 Home Basic (64-bit)
  • Genuine Windows 7 Home Premium (64-bit)
  • Genuine Windows 7 Professional (32-bit and 64-bit)
  • FreeDOS

Environmental specifications

Specification
Description
Operating temperature
5° to 35°C (41° to 95°F)
Non-operating temperature
-30° to 65°C (-22° to 149°F)
Operating humidity
15% to 80% at 26°C
Operating altitude
2286 m (7,500 ft)
Non-operating altitude
4572 m (15,000 ft)

Safety certifications

Specification
Description
UL
Yes
CSA
Yes
FCC compliance
Yes
Energy star
Yes (for Windows OS only)
EPEAT
EPEAT Silver registered where applicable/supported (for Windows OS only)

Warranty information

Terms of warranty apply to the individual model purchased. To see if your HP product is still in warranty, go to the HP Product Warranty Check page.

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Country/Region: Flag United States

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