DELL OPTIPLEX 780 MT Tower with the following spec:

Processor : Intel Core 2 Duo E8400 3.00GHz/6M/1333 Dual-Core Socket775 Processor

Memory : 4GB PC3-10600 DDR3 memory (2 x 2GB modules)

Memory Slots : 4

Hard Drive : 500GB Seagate 7200rpm 3.5" SATA

Optical Drive : DVDRW

SATA Ports : 4

PCI Express x16 Slot : 1

PCI Slot : 2

Video : 1GB AMD Radeon HD 5450 PCIe Graphic Card (Fan-less Silent)

Video Output : DVI, HDMI and VGA outputs

Audio : Onboard SoundMAX Integrated Digital High Definition Audio

Ethernet Network : Onboard Intel Gigabit Network

eSATA Port : Yes

USB Ports : 2 at front and 6 at rear

Other Peripherals : Multi-card Reader (SM, xD, CF/MD, SD/mini MMC/RS, MS/Pro/Duo)

Other Ports : 1 x Parallel port, 1 x Serial port

Operating System : Windows XP Professional (fresh installation with all updates from Microsoft website)

COA : Windows 7 Professional

OS Installation Disc : NONE

BIOS : Latest A15 version from DELL website

Power Lead : NONE


NOTES:
1. Only 3.50GB of memory usable in Windows XP due to 32-bit memory addressing limitation.
2. Windows XP is installed and used on the basis of downgrade rights associated with the Windows 7 Professional COA Licence.

NOTE WINDOWS XP IS AN OUT-OF-SUPPORT OPERATING SYSTEM. PLEASE ONLY PURCHASE IF YOU UNDERSTAND WHAT YOU ARE BUYING.

ALL FULLY TESTED AND IN FULL WORKING CONDITION.
-motherboard has been checked and there are no bulged/swollen capacitors.
-all memory modules have been tested with Memtest for ~2hours with no errors reported
-hard drive has been checked with no bad sectors
-optical drive has been checked and verified working
-motherboard CMOS battery checked
-the inside of the tower unit is generally clean and fans have been cleaned.

Hard drive has installer files for the following software, you could choose to install as desired:
AVG Free Antivirus
Adobe Acrobat Reader
CD Burner
Google Chrome
Mozilla Firefox
Open Office

Unit may have some cosmetic discolouration/scratches and marks on the case.