
Proven performance and reliability to deliver maximum investment
protection.
HP recommends Windows Vista® Business.
HP Compaq dc7900 Desktop PC series
The dc7900 has been engineered for the specific needs of
business computing. From lengthy life cycles to stable
hardware and software images, this platform delivers the
latest in PC technology, qualified to HP’s highest standards;
the dc7900 makes the most of your IT investment.
A good fit for your business
With three innovative form factors, you can choose the
dc7900 model that best fits your work environment. The
latest Intel technologies including the Intel® Q45 Express
chipset featuring Intel GMA 4500 integrated graphics and
Intel Core™ 2 Duo and Core™ 2 Quad processors provide
the performance you expect from a commercial class PC.
Utilize the latest graphics and display technologies with
standard dual monitor support via both VGA and
DisplayPort interfaces.
Increase manageability and reduce downtime
Maximize productivity in your managed IT environment
with secure PC and Lifecycle Management features. The
dc7900 supports industry standard remote management
protocols including DASH 1.0 and Intel Core™ 2
Processors with vPro Technology.
Achieve business results with targeted professional
innovations for the dc7900 Series
Built to simplify with 15-18 month long purchase lifecycles,
image stability and a variety of client management
solutions. Proactive product change notifications give up to
60 advance notice of system or image changes which
helps to minimize downtime. Built to protect with Drive
Encryption for HP ProtectTools which helps ensure that your
sensitive information cannot be accessed if the desktop or
hard drive is lost or stolen. It encodes information on a
hard drive volume so that it becomes unreadable to an
unauthorized person. HP ProtectTools™ Security Software
Suite, including embedded security, comes standard on all
HP Compaq dc7900 models. Built for efficiency as you
can lower your operating costs by utilizing improved
power saving technology such as 85% efficient power
supplies and power management solutions. The HP
Compaq dc7900 meets or exceeds most worldwide
environmental PC standards. dc7900e models are EPEAT
Gold registered and ENERGY STAR® qualified.

HP Compaq dc7900 Desktop PC series
HP recommends Windows Vista® Business.
Form factor
Operating system
Processor
Chipset
Memory
Hard drive(s)
Removable media
Expansion bays
Expansion slots
Memory slots
Graphics
Audio
Communications
I/O ports and connectors
Software
Input devices
Dimensions (w x d x h)
Power
Warranty
Convertible Minitower Small Form Factor Ultra-slim desktop
Genuine Windows Vista® Business 32-bit
Genuine Windows Vista® Business 64-bit
Genuine Windows Vista® Home Basic 32-bit
Genuine Windows Vista® Business with downgrade to Windows XP Professional custom installed
FreeDOS
Intel® Pentium® Dual Core E5200 (2.50 GHz, 2
MB L2 cache, 800 MHz FSB) or Intel® Core™2
Duo Processor E7300 / E7400 / E8400 / E8500
/ E8600 (2.66 to 3.33 GHz, 3 to 6 MB L2 cache,
1066 to 1333 MHz FSB) or Intel® Core™2 Quad
Q9400 (2.66 GHz, 6 MB L2 cache, 1333 MHz
FSB)
Intel® Q45 Express
From 1 GB to 16 GB DDR2-Synch DRAM PC2-6400 non-ECC (single or dual channel configurations) From 1 GB to 8 GB DDR2-Synch DRAM PC2-6400
80, 160, 250 or 500 GB (3.5”) SATA 3.0GB/s with NCQ and Smart IV 80 GB and 250 GB SATA 3.0 Gb/s 7200 rpm
SATA DVD-ROM Drive, SATA SuperMulti LightScribe DVD Writer Drive HP Slim 8X SATA DVD-ROM Drive, HP Slim 8X
3 external 5.25 inch, 1 external 3.5 inch, 2 internal
3.5 inch
3 full-height PCI, 1 full-height PCI Express x16, 2
full-height PCI Express x1
4 DIMM 2 SODIMM
Intel® Graphics Media Accelerator 4500 integrated graphics
Integrated HD audio with ADI1884 codec, internal PC speaker
Integrated Intel® 82567LM Gigabit Network Connection
Rear: 6 USB 2.0, 1 serial port, 2 PS/2, 1 RJ-45, 1 VGA, 1 DisplayPort, audio in/out; Front: 2 USB 2.0,
audio ports; Optional: 2nd serial port, 1 parallel port
Optional preloaded software, only for certain configurations: Microsoft® Office 2007 Basic, Microsoft® Office 2007 Professional, Microsoft® Office 2007
Small Business, Microsoft Internet Explorer with Google Toolbar
On some models only (not included with FreeDOS): HP ProtectTools Security Software Suite Version 4.0, HP Power Manager, HP Firefox Virtual Browser, HP
Backup and Recovery Manager, HP Insight Diagnostics Software (available via HP Backup and Recovery Manager), Computer Setup Utility, McAfee AntiVirus
trial version, Roxio Creator Business 10 or DVD 10 or Easy Media Creator 9.0, Intervideo WinDVD 8 LE, PDF Complete
HP Standard Keyboard (PS/2 or USB) or HP USB Smartcard Keyboard
HP PS/2 2-Button Optical Scroll Mouse, HP USB 2-Button Optical Scroll Mouse or HP USB 2-Button Laser Scroll Mouse
17.7 x 45.2 x 44.7 cm 33.7 x 37.8 x 10.0 cm 25.1 x 25.4 x 6.6 cm
365 watts maximum
Input voltage 90 – 264 / 100 – 240 VAC, 50/60
Hz, 47 – 63 Hz, active PFC (85% High Efficiency)
Protected by HP Services, including a 3-3-3 standard warranty delivering 3 years of parts and 3 year of both labour and on-site repair. Response time is next
business-day and includes free telephone support 24 x 7. Terms and conditions vary by country. Certain restrictions and exclusions apply
Intel® Pentium® Dual Core E2200 / E5200 (2.20
to 2.50 GHz, 1 to 2 MB L2 cache, 800 MHz FSB)
or Intel® Core™2 Duo Processor E7300 / E7400 /
E8400 / E8500 / E8600 (2.66 to 3.33 GHz, 3 to
6 MB L2 cache, 1066 to 1333 MHz FSB) or Intel®
Core™2 Quad Q9400 (2.66 GHz, 6 MB L2
cache, 1333 MHz FSB)
1 external 5.25 inch, 1 external 3.5 inch, 1 internal
3.5 inch
1 low-profile PCI, 2 low-profile PCI Express x16, 1
low-profile PCI Express x1
240 watts maximum
Input voltage 90 – 264 / 100 – 240 VAC, 50/60
Hz, 47 – 63 Hz, active PFC (85% High Efficiency)
Intel® Pentium® Dual Core E2200 / E5200 (2.20
to 2.50 GHz, 1 to 2 MB L2 cache, 800 MHz FSB)
or Intel® Core™2 Duo Processor E7300 / E7400 /
E8400 / E8500 / E8600 (2.66 to 3.33 GHz, 3 to
6 MB L2 cache, 1066 to 1333 MHz FSB)
non-ECC (single or dual channel configurations)
SATA SuperMulti LightScribe Drive
1 Slimline Drive Bay, 1 internal 2.5 inch
1 mini PCIe
Rear: 6 USB 2.0, 1 DisplayPort, 2 PS/2, 1 RJ-45, 1
VGA, audio in/out; Front: 2 USB 2.0, audio ports
135 watts maximum
Input voltage 90 – 264 / 100 – 240 VAC, 50/60
Hz, 47 – 63 Hz, active PFC (87% High Efficiency)
© 2008 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products
and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
Certain Windows Vista® product features require advanced or additional hardware. See http://www.microsoft.com/windowsvista/getready/hardwarereqs.mspx and http://www.microsoft.com/windowsvista/getready/capable.mspx for details.
Windows Vista® Upgrade Advisor can help you determine which features of Windows Vista® will run on your computer. To download the tool, visit www.windowsvista.com/upgradeadvisor.
Intel, Core and Pentium are registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Microsoft and Windows are U. S. registered trademarks of Microsoft Corporation. Windows Vista® is either a registered
trademark or trademark of Microsoft Corporation in the United States and/or other countries.
For more information, please visit www.hp.com/eur/desktops
4AA2-1115EEE. November 2008