Dimensions
Chassis Dimensions
(H x W x D)
2.60 x 9.90 x 10 in
(66.0 x 251.5 x 254 mm)
3.95 x 13.3 x 14.9 in
(100.3 x 337.8 x 378.5)
17.63 x 7.0 x 17.8 in
(447.8 x 177.8 x 452.12 mm)
Optional Tower Stand
Dimensions (H x W x D)
1.26 x 4.82 x 6.69 in
(32.0 x122.3 x 170.0 mm)
1.05 x 6.95 x 7.83 in
(26.75 x 176.46 x 198.87 mm)
N/A
System weight*
7.0 lb (3.18 kg)
18.75 lb (8.50 kg) 26.2 lb (11.89 kg)
System volume
4.21 liters
13 liters 36 liters
Shipping weight*
14.34 lb (6.52 kg)
26.10 lb (11.86 kg) 34.60 lb (15.72 kg)
Maximum supported weight
(desktop orientation)
77.1 lb (35 kg) 77.1 lb (35 kg) 77.1 lb (35 kg)
Shipping box dimensions
(H x W x D)
8.60 x 15.68 x 19.68 in
(218.4 x 398.3 x 499.9 mm)
9.00 x 19.68 x 23.38 in
(228.6 x 499.9 x 593.85 mm)
24.25 x 12.33 x 22.13 in
(616.0 x 313.2 x 562.1 mm)
* Configured with 1 hard drive, 1 optical drive, no diskette drive, and no PCI card.
Standard Power Supply
N/A
240W power supply, active PFC 365W power supply, active PFC
Energy Efficient Power
Supply
135W external power supply, 85%
efficient, active PFC
240W 80 PLUS® power supply,
80% efficient, active PFC
365W 80 PLUS® power supply,
80% efficient, active PFC
External power supply dimensions:
6.7 x 2.6 x 1.5 in
Total length of external power
supply and power cord:
12 feet 8 inches
* This energy efficient power supply is a requirement for ENERGY STAR® compliance in conjunction with a select range of processors
and modules.
** Ultra-slim Desktop power supply is > 85% efficient at nominal load with 115V AC input.
Ports
USB 2.0
8 (2 front, 6 rear) 8 (2 front, 6 rear) 8 (2 front, 6 rear)
Serial
N/A
1 standard with 2nd optional 1 standard with 2nd optional
Parallel
N/A
1 1
PS/2
1 keyboard, 1 mouse
Video
analog for integrated graphics
DVI output
1 standard
available via ADD2 card or optional graphics cards
Support for Multi-Monitor
Yes
available via ADD2 card or optional graphics cards
Audio
Front – mic and headphone
Rear – input (supports microphone or line input), line out
NIC (RJ-45)
Integrated Intel 82566DM Gigabit Network Connection Ethernet
USDT
SFF
CMT
Chipset
Intel Q35 Express chipset
X X X
QuickSpecs
HP Compaq dc7800 Business PC
Standard Features and Configurable Components
DA - 12744 North America — Version 33 — October 29, 2008
Page 8
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