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HP Pavilion p6644y Special Edition Desktop PC Product Specifications

 Product image

Product release information

Product number


Release date


Country/region sold in

  • United States


H-I41-uATX (Eton/EtonL)

Figure 1: Motherboard top view

Image of motherboard
  • Manufacturer: Foxconn

  • Form factor: microATX - 24.4 cm (9.6 inches) x 24.4 cm (9.6 inches)

  • Chipset: Intel G41 Express

  • Memory sockets: 2 x DDR3

  • Front side bus speeds: 1333/1066/800 MHz

  • Processor socket: 775

  • Expansion Slots:

    • 1 PCI Express x16 slot for graphics card

    • 2 PCI Express x1 slots

    • 1 PCI slot

    • 1 PCI Express x1 minicard slot

  • For more details, see Eton/EtonL motherboard specifications .


Intel Pentium E5500

Figure 2: Intel Pentium Dual-Core logo

Image of Intel logo
  • Operating speed: Up to 2.8 GHz

  • Number of cores: 2

  • Socket: 775

  • Bus speed: 800 MHz

Processor upgrade information

  • TDP: Varies by processor

  • Motherboard supports the following processor upgrades:

    • Core 2 Quad Q8xx0/Q9xx0 (Yorkfield core) (95W)
    • Core 2 Duo E8xx0 (Wolfdale core) (65W)
    • Core 2 Duo E7xx0 (Wolfdale core) (65W)
    • Pentium Dual Core E5xx0 (Wolfdale core) (65W)
    • Celeron Dual Core E1xx0 (Conroe core) (65W)
    • Celeron 4xx series (Conroe core) (35W)


4 GB (2 x 2 GB)

  • Amount: 4 GB (2 x 2 GB)

  • Speed: PC3-10600 MB/sec (message as PC3-6400)

Memory upgrade information

  • Supports DDR3 DIMMs only

  • Dual channel memory architecture

  • Two DDR3 DIMM (240-pin) sockets

  • DIMM types:
    • PC3-10600 (DDR3-1333)

    • PC3-8500 (DDR3-1066)

    • PC3-6400 (DDR3-800)

  • Non-ECC memory only, unbuffered

  • Supports 2 GB DDR3 DIMMs

  • Supports up to 4 GB on 64-bit PCs

  • Maximum memory only if using 2GB DDR3 DIMM modules

NOTE: 32-bit PCs cannot address a full 4.0 GB of memory

Video graphics

Integrated graphics using Intel GMA x4500

*Integrated video is not available if a graphics card is installed.

  • Integrated graphics using Intel GMA x4500
  • Also supports PCI Express x16 graphics cards*
NOTE: *Either integrated graphics or the PCI Express x16 slot are usable at one time; they are not usable concurrently.


Integrated Realtek ALC662 Audio

*Integrated audio may not be available if a sound card is installed.

  • Number of channels: 6

  • Audio CODEC: ALC662

  • Maximum bit depth: up to 24-bit

  • Maximum sample rate: up to 96,000 Hz

  • Supports SPDIF digital


LAN: 10-Base-T

  • Technology: Realtek RTL8103EL

  • Data transfer speeds: up to 10/100 Mb/s

  • Transmission standards:10-Base-T Ethernet

802.11 Wireless b/g/n PCI-E Mini card

  • Interface type: PCI-e half-length mini card

  • Data transfer speeds: up to 150 Mbps

  • Transmission standards: 802.11 b/g/n

  • Supported antenna connections: 1 (1 internal post to connect an internal)

  • Operating band: 2.4 GHz

  • Supported security protocols:

    • WPA

    • WEP

Hard drive

1 TB

  • Size: 1 TB

  • Interface: SATA

  • Rotational Speed: 7200 rpm

CD/DVD disc drive

SuperMulti DVD Burner with LightScribe Technology drive

Figure 3: Optical drive

Image of the optical drive
  • Interface: SATA
  • Data buffer memory: 2 MB minimum
  • LightScribe: yes
  • Disc diameter: 120 mm
  • Write and read speeds for supported formats and disc types are shown in this table:
Formats/Disc types
Write speeds
Read speeds
Storage capacity
up to 16x
up to 4.7 GB
up to 8X
up to 8.5 GB
up to 16x
up to 12X
up to 4.7 GB
up to 12x
up to 8x
up to 8.5 GB
up to 8x
up to 8x
up to 4.7 GB
not supported
up to 16x
up to 12x
up to 4.7 GB
up to 12x
up to 8x
up to 8.5 GB
up to 6x
up to 8x
up to 4.7 GB
not supported
up to 12x
up to 12x
4.7 GB
up to 40X
up to 700 MB
up to 40X
up to 40X
up to 700 MB
up to 32X
up to 32X
up to 700 MB
up to 32X
up to 700 MB
Video CD
up to 16X
up to 700 MB

Memory Card Reader

15-in-1 multimedia card reader

Figure 4: View of memory card reader

Image of card reader

Supports the following cards:

  • Compact Flash I

  • Compact Flash II

  • IBM Microdrive (MD)

  • Memory Stick (MS)

  • Memory Stick Duo (Duo)

  • Memory Stick Pro (PRO)

  • Memory Stick Pro Duo (Pro Duo)

  • MultiMediaCard (MMC)

  • MultiMediaCard Mobile (MMC mobile)

  • MultiMediaCard Plus (MMC plus)

  • Reduced size MultiMediaCard (RS-MMC)

  • Secure Digital (SD)

  • Secure Digital miniSD (Mini)

  • Smart Media

  • xD Picture Card (xD)

Computer Case

Mid-size ATX

  • Height: 38.7 cm (15.23 inches)

  • Width: 17.5 cm (6.89 inches)

  • Length: 41.4 cm (16.29 inches)

Bay size
Total Bays*
13.33 cm (5.25 inch)
8.89 cm (3.5 inch)
* Bays may be occupied by existing hardware.

Power Supply


250W power supply

I/O Ports

Front I/O ports

  • USB: 2

  • Headphone: 1

  • Microphone: 1

Back I/O ports

Figure 5: Back I/O panel

1 - Video Graphics Adapter port
2 - USB 2.0: 4
3 - RJ45 Network (LAN)
4 - Line In port (light blue)
5 - Line Out port (lime)
6 - Microphone port (pink)

Keyboard, mouse and input devices

HP USB keyboard

Figure 6: Top view of keyboard

Image of keyboard
  • Interface: USB

  • Cable length: 1.8 m (6 feet)

  • Dimensions:

    • Height: 27.2 mm (1.1 inch)

    • Width: 160.71 mm (6.3 inches)

    • Length: 439.85 mm (17.3 inches)

  • Special buttons:*

    • Volume up

    • Volume down

    • Mute

      * Buttons are not configurable

  • Extended Keys:

    • Sleep

    • Chapter back

    • Play/pause

    • Stop

    • Chapter forward

HP USB optical mouse

NOTE: Mouse color may vary by country/region.

Figure 7: Top view of mouse

Image of mouse
  • Interface: USB

  • Cable length: 1.8 m (6 feet)

  • Buttons: left, right, and clickable scroll wheel


Titles that shipped with PC

NOTE: HP provides basic support for software that comes with the computer. For in-depth feature assistance, refer to the help section in the software or on the software vendor's Web site.
Software Category
Software Title
Supported by HP Application Recovery
Operating System
  • Microsoft Windows 7 Home Premium (64-bit)

  • No

  • HP MediaSmart DVD

  • Windows DVD Maker

  • CyberLink DVD Suite

  • Yes

  • No

  • Yes

Entertainment, Music & Games
  • HP Games

  • HP MediaSmart Software Suite

  • No

  • Yes

  • Microsoft Office Starter 2010

  • Windows Live Essentials

  • PDF Complete Special Edition

  • No

  • No

  • Yes

  • Norton Internet Security 2011 (60-day security update subscription)

  • Norton Online Backup (30-day trial)

  • Yes

  • No

  • HP Advisor

  • HP Vision Diagnostic Tools

  • HP Help & Support Center

  • HP Support Assistant

  • No

  • Yes

  • No

  • Yes

  • HP Recovery Manager

  • No

Internet Solutions
  • Microsoft Internet Explorer

  • No

NOTE: This support document provides specifications and component images that reflect the original design intention for all PCs of this model. Under certain circumstances, a factory or service provider may install a component that meets or exceeds the listed specification and/or appears different than the image shown.

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