HP Compaq TC4400 specification

The model was released in 2006. (source: Wikipedia)

This is a copy of the specification of the HP website.

Processor, Operating System and Memory
Operating system installed	Genuine Windows Vista® Business
Processor	Intel® Core™2 Duo Processor T5600 • 1.83 GHz, 2 MB L2 cache, 667 MHz FSB
Compatible Operating Systems	Genuine Windows 2000 drivers available on www.hp.com, FreeDOS
Chipset	Mobile™ Intel® 945GM Express Chipset
Standard memory	1 GB (512 MB x 2)
Memory Upgrade	Upgradeable to 4096 MB maximum
Memory slots	2 SODIMM slots

System features
Internal hard disk drive	80 GB
Hard disk drive speed	5400 RPM
CD-ROM and DVD	Via optional HP External MultiBay II (9.5-mm) or HP Advanced Docking Station
Multi-bay devices	Optional External Multibay II devices

Portability
Weight	Starting at 2.1 kg
Dimensions (w x d x h)	3 (at front) x 28.5 x 23.5 cm
Display size	12.1 inches diagonal

Connectivity
Wireless Technologies	WLAN 802.11 a/b/g
Network interface	Broadcom NetXtreme Gigabit (10/100/1000 NIC) PCI Express Ethernet Controller, HP Smart Power NIC technology

Expandability
Expansion slots	Slots available for additional devices: 1 Type I/II PC Card slot supports both 32-bit CardBus and 16-bit cards, Secure digital slot
External I/O ports	3 USB 2.0 ports, VGA, headphone, microphone, AC adapter, RJ-11, RJ-45, S-video TV out, Firewire (1394a)

Software
Software included	Additional software available from the Web: HP Client Manager Interface

Graphic / Audio
Graphic Subsystem Name	Intel® Graphics Media Accelerator 950
Graphic Subsystem Video Card Memory	Up to 224 MB shared video memory

Other information
Keyboard	Full-sized keyboard
Mouse/Pointing Device	Enhanced dual pointing devices (touchpad and pointstick) with scroll zone, digital eraser pen with tether and clip
Power Features	6-cell Lithium-Ion battery internal
Power Requirements	External 65W Smart AC adapter
Docking solution	HP Docking Station, HP Advanced Docking Station, HP External MultiBay II, HP Monitor Stands (all sold separately)
Security Management	Kensington lock slot, optional Smart Card Reader (replaces PC card slot)
Operating Temperature Range	0 to 35° C
Operating Humidity Range	10 to 90% RH
Non-Operating Humidity	5 to 95% RH
Warranty	3 years carry-in (pick-up and return in some countries (upgrades available, sold separately)) 1 year warranty on primary battery

An this is the model I use:

EY608EA - HP Compaq tc4400 Tablet PC

Technical Specifications Audio Audio HP Premier Sound™ High Definition Audio 24-bit DAC, headphone jack, stereo/mono microphone jack, integrated mono microphone Internal audio HP Premier Sound™ High Definition Audio 24-bit DAC, headphone jack, stereo/mono microphone jack, integrated mono microphone Communications Modem 56K modem Connectivity Wireless capability Yes Wireless technologies Intel® Wireless LAN 802.11a/b/g mini-pci card, Bluetooth Displays Display size 12.1 inches diagonal Display features 12.1" XGA WVA (1024 × 768), 160 degree, with digitizer with ambient light sensor; 12.1" XGA WVA (1024 × 768), 160 degree, outdoor viewable display with digitizer, with ambient light sensor Expansion slots Expansion slot Slots available for additional devices: 1 Type I/II PC Card slot supports both 32-bit CardBus and 16-bit cards, Secure digital slot Expansion slots Slots available for additional devices: 1 Type I/II PC Card slot supports both 32-bit CardBus and 16-bit cards, Secure digital slot Faxing Fax/modem 56K modem Input devices Keyboard Full-sized keyboard Keyboard Full-sized keyboard Pointing device Enhanced dual pointing devices (touchpad and pointstick) with scroll zone, digital eraser pen with tether and clip Pointing device Enhanced dual pointing devices (touchpad and pointstick) with scroll zone, digital eraser pen with tether and clip Memory Memory type DDR2, 667 MHz, 512, 1024, 2048 MB Memory slots 2 SODIMM slots Memory slots 2 SODIMM slots Memory upgrade Upgradeable to 4096 MB maximum Memory upgrade Upgradeable to 4096 MB maximum Cache external 2 MB L2 cache Networking Network interface Broadcom NetXtreme Gigabit (10/100/1000 NIC) PCI Express Ethernet Controller, HP Smart Power NIC technology Network interface Broadcom NetXtreme Gigabit (10/100/1000 NIC) PCI Express Ethernet Controller, HP Smart Power NIC technology Ports I/O port 3 USB 2.0 ports, VGA, headphone, microphone, AC adapter, RJ-11, RJ-45, S-video TV out External I/O ports 3 USB 2.0 ports, VGA, headphone, microphone, AC adapter, RJ-11, RJ-45, S-video TV out, Firewire (1394a) Power Battery life Up to 5h30m (up to 12h30m with HP Extended Life Battery, up to 16 hours with HP Ultra-capacity battery) Battery life Up to 5h30m (up to 12h30m with HP Extended Life Battery, up to 16 hours with HP Ultra-capacity battery) Power features 6-cell Lithium-Ion battery internal Power features 6-cell Lithium-Ion battery, optional 8-Cell HP Extended Life Battery (sold separately), HP Fast Charge Technology (sold separately) Power requirements External 65W Smart AC adapter Power requirements External 65W Smart AC adapter Processor Chipset Mobile™ Intel® 945GM Express Chipset Chipset Mobile™ Intel® 945GM Express Chipset Processor speed 1.83 GHz Centrino technology Intel® Centrino® processor technology Software Software included Additional software available from the Web: HP Client Manager Interface Software included Additional software available from the Web: HP Client Manager Interface Operating system software 01 Genuine Windows XP Tablet PC Edition 2005 Pre-installed software HP Wireless Assistant (on selected models), HP Mobile Printing Driver, HP Backup and Recovery Manager, HP ProtectTools Security Manager, Sonic Digital Media Plus (on selected models), Intervideo WinDVD 5, Adobe Acrobat Reader, HP Help and Support, HP One-Touch Buttons, Symantec Norton Internet Security, HP OpenView Radia Management Solutions, HP Qmenu Software, Tablet PC Tour, Microsoft Reader eBooks Pre-installed software HP Wireless Assistant (on selected models), HP Mobile Printing Driver, HP Backup and Recovery Manager, HP ProtectTools Security Manager, Sonic Digital Media Plus (on selected models), Intervideo WinDVD 5, Adobe Acrobat Reader, HP Help and Support, HP One-Touch Buttons, Symantec Norton Internet Security, HP OpenView Radia Management Solutions, HP Qmenu Software, Tablet PC Tour, Microsoft Reader eBooks Compatible operating systems Genuine Windows 2000 drivers available on www.hp.com, FreeDOS Compatible operating systems FreeDOS, Windows 2000 drivers available on www.hp.com Operating system installed Genuine Windows XP Tablet PC Edition Storage Optical drives Via optional HP External MultiBay II (9.5-mm) or HP Advanced Docking Station Optical drives Via optional HP External MultiBay II (9.5-mm) or HP Advanced Docking Station Hard disk drive Serial ATA 60, 80 or 100 GB (5400 rpm) Internal hard disk drive 80 GB Hard disk drive speed 5400 rpm Multi-bay devices Optional External Multibay II devices Multi-bay devices Optional External Multibay II devices System Docking solution HP Basic Docking Station, HP Advanced Docking Station, HP External MultiBay II, HP Monitor Stands (all sold separately) Docking solution HP Docking Station, HP Advanced Docking Station, HP External MultiBay II, HP Monitor Stands (all sold separately) Security management Kensington lock slot, optional Smart Card Reader (replaces PC card slot) Security management Kensington lock slot, optional Smart Card Reader (replaces PC card slot) HP Protection tools HP ProtectTools, HP Enhanced Drivelock, HP TPM Embedded Security Chip, HP Biometric Fingerprint Sensor HP Protection tools HP ProtectTools, HP Enhanced Drivelock, HP TPM Embedded Security Chip, HP Biometric Fingerprint Sensor Upgradability Windows Vista® capable System bus 667 MHz FSB Video Graphic card 01 Intel® Graphics Media Accelerator 950 Graphic subsystem name Intel® Graphics Media Accelerator 950 Graphic subsystem video card memory Up to 224 MB shared video memory Video resolutions description 1024 × 768 XGA WVA TFT (16 million colours) Wireless Wireless technologies Intel or Broadcom Wireless LAN 802.11 and/or Bluetooth 2.0

Environmental information Operating humidity range 10 to 90% RH Operating temperature range 0 to 35° C Operating temperature range 0 to 35° C

Physical information Weight Starting at 2.1 kg Dimensions (W x D x H) 3 (at front) x 28.5 x 23.5 cm Dimensions, metric 3.43 (at front) x 28.5 x 23.5 cm