HP Pavilion 20-a251ix All-in-One Desktop PC (Core i3-3240, 2GB, 500GB, Ubuntu, 3Years onsite Warranty)

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The HP Pavilion 20 All-in-One Desktop, makes life simple with one plug and easy set up. This newly designed All-in-One desktop is the practical choice if you need just the right amount of technology without going overboard.

Technical Details


Brand : HP
Model : 20-a251ix


Operating System : Ubuntu


50.8 cm (20 inch) LCD high-definition panel display
Resolution : 1600 x 900 (16:9 aspect ratio)
Colors : 16.7 million
Color gamut : 72%
Response time : 3.5 ms
Contrast ratio : 1000:1
Image brightness : up to 250 nits
Pixel pitch : 0.2482 mm (horizontal) x 0.2482 mm (vertical)
Horizontal viewing angle : up to 170 degrees (typical)
Vertical viewing angle : up to 160 degrees (typical)
Power consumption : 15.2 Watts (typical)


Manufacturer : Quanta
Custom 23.5 cm (9.3 inches) x 18.5 cm (7.3 inches)
Chipset : Intel H61
Memory sockets : 2 x DDR3
Front side bus speeds : DMI bus: 5 GT/s
Processor socket : LGA 1155
Expansion Slots : One half-size PCI Express Mini Card socket (Gen 2.0)


Intel Core i3 3240
TDP : 55W
Operating speed : Up to 3.4 GHz
Number of cores : 2
Socket : LGA 1155
Bus speed : DMI (Direct Media Interface) - 5.0 GT/s

Amount : 2 GB
Speed : PC3-12800 MB/s
Type : DDR3-1600

Memory upgrade information
Dual channel memory architecture
Two 204-pin DDR3 SO-DIMM sockets
PC3-8500 (DDR3-1066)
PC3-10600 (DDR3-1333)
PC3-12800 (DDR3-1600) (with select Ivy Bridge processors only)
Supports 1 GB, 2 GB, and 4 GB DDR3 SO-DIMMs
Supports up to 8 GB on 64-bit PCs
Supports up to 4 GB on 32-bit* PCs

Video graphics

Integrated Intel HD Graphics 2500
Intel HD Graphics 2500 (supported by the processor)


Audio CODEC: Realtek ALC269Q-VB6
Integrated audio is not available if a sound card is installed.
Integrated high definition audio
Audio CODEC : Realtek ALC269Q-VB6
Built-in speaker amplifier with 2W per channel

Integrated speakers
Channels : 2 speakers
Power : 2W per speaker

Digital microphone array


Wireless LAN 802.11b/g/n featuring Single-band (2.4Ghz) 1x1
Interface type : PCI express half-length mini card
Data transfer speeds : up to 80 Mbps
Transmission standards : 802.11 b/g/n
Antennas : 1 internal antenna
Single band : 2.4 GHz (b/g/n)

Wired Equivalent Privacy (WEP) supports modes that have 64-bit, and 128-bit keys
Support for WPA-PSK and WPA2-PSK in Windows

LAN: 10-Base-T
Technology : Realtek RTL8175EH-VB-CG
Data transfer speeds : up to 10/100 Mb/s
Transmission standards : 10-Base-T Ethernet

Hard drive
Size : 500 GB
Interface : SATA
Rotational Speed : 7200 RPM

CD/DVD disc drive

Slim Tray SuperMulti DVD Burner
Interface : SATA
Data transfer rates up to 3,600 KB/s (CD read/write)
Data transfer rates up to 10,800 KB/s (DVD read/write)
Data buffer : 1 MB max.
8 cm disc : Supported

Memory Card Reader

Supports the following cards
Secure Digital (SD)
Secure Digital High Capacity (SDHC)
Secure Digital eXtended-Capacity (SDXC)
Memory Stick (MS)
Memory Stick Pro (MS-Pro)
Supports the following cards with an adapter:
Mini Secure Digital (mini-SD)
Micro Secure Digital (micro-SD)

Computer Case

Height with stand : 39.3 cm (15.5 inches)
Width with stand : 50.5 cm (19.9 inches)
Depth with stand : 10.0 cm (3.9 inches)
Weight : 9.28 kg (20.46 pounds)

Power Supply

External 150W
Total wattage: 150W external power adapter (100V-240V)
Output voltage: 19.5V

Front of the system
Webcam camera and microphone array
All-in-One model name
Screen area

Back of the system
Optical disk drive (model dependent)
Power button
Memory card reader and other I/O on left side
Motherboard back I/Os (specific I/Os are model dependent)

I/O Ports
Hard drive activity indicator
Memory card reader activity indicator
Memory card reader
Two USB 2.0 ports
Microphone jack
Headphone jack

Back I/O ports
Activity indicator
Power connector
LAN (ethernet)
Four USB 2.0 ports

Keyboard, mouse and input devices

HP USB keyboard
Interface : USB
Cable length  : 1.33 m (4 feet, 4 inches)

Height : 27 mm (1.1 inch)
Width : 147.6 mm (5.8 inches)
Length : 456 mm (18 inches)

Special buttons
Volume up
Volume down
Extended Key : Sleep

HP USB optical mouse
Interface : USB
Cable length : 1.8 m (6 feet)
Buttons : left, right, and clickable scroll wheel


Webcam with array microphone
Web camera
Activity LED
Microphone array

VGA resolution : 1280 x 720

Lens specification
Element : 4 Plastic
Aperture : F/2.4
Field of View : 69.2° (diagonal)
Focus distance : 50 cm
Focus Range : 23 cm ~ infinity
Capture still image size : 720p


Brand  HP
Model  20-a251ix
Type  All-in-One Desktop PC
CPU Type  Intel Core i3 3240
CPU Speed  3.4 GHz
Memory Capacity  2 GB
Memory Speed  PC3-12800 MB/sec
Hard Drive
HDD Capacity  500GB
HDD Interface  SATA
HDD RPM  7200 rpm
Optical Drive
Optical Drive Type  Slim Tray SuperMulti DVD Burner
Mouse Type  USB Optical Mouse
Keyboard Type  HP USB Keyboard
Speaker Configuration  Integrated speakers
Operating System
Operating System  Ubuntu
Physical Spec
Dimensions  39.3 cm x 50.5 cm x 10.0 cm
Weight  9.28 kg (20.46 pounds)


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Sunday: Holiday

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