Model :Dell OptiPlex 780 DT - Desktop Operating System Info :Windows 7 Professional 64bit Chipset :Intel Q45 Express Chipset w/ICH10DO Processor :Core 2 Duo E8400 @ 3.00 GHz Memory Installed :4 GB DDR3 Memory Supported :Up to four DDR3 Synch DRAM Non-ECC 1066MHz and 1333MHz Memory; supporting 1 GB to 16GB Hard Drive :80GB Optical Drive :DVD-RW Graphics :Integrated Intel Graphics Media Accelerator 4500 Audio :ADI 1984A High Definition Audio Networking :Integrated Intel 82567LM Ethernet LAN 10/100/1000 Chasis : Number of Bays :1 internal 3.5 in; 1 external 3.5 in; 1 external 5.25 in Expansion Slots :1 low-profile PCIe x16; 2 low-profile PCI Ports :8 External USB 2.0 ports and 1 Internal USB 2.0; 1 Parallel; 1 Serial; 1 RJ-45; 1 VGA; 1 Display Port; 1 eSATA; 2 Line-in (stereo/microphone); 2 Line-out (headphone/speaker) Power Supply Unit :Standard 255W PSU Dimensions : 15.70" high x 4.50" wide x 13.90" deep System Weight : 18.20 lbs Warranty : 365 days

Model :Dell OptiPlex 780 DT - Desktop Operating System Info :Windows 7 Professional 64bit Chipset :Intel Q45 Express Chipset w/ICH10DO Processor :Core 2 Duo E8400 @ 3.00 GHz Memory Installed :4 GB DDR3 Memory Supported :Up to four DDR3 Synch DRAM Non-ECC 1066MHz and 1333MHz Memory; supporting 1 GB to 16GB Hard Drive :80GB Optical Drive :DVD-RW Graphics :Integrated Intel Graphics Media Accelerator 4500 Audio :ADI 1984A High Definition Audio Networking :Integrat