Model :Dell OptiPlex 755 MT - Mini Tower Operating System Info :Windows 7 Professional 64bit Chipset :Intel Q35 Express Chipset (ICH9DO) Processor :Core 2 Duo E8200 @ 2.67 GHz Memory Installed :1 GB DDR2 Memory Supported :4 DIMM slots DDR2 Synch DRAM Non-ECC Memory (667/800Mhz) up to 8GB Hard Drive :80GB Optical Drive :DVD-RW Graphics :Integrated Intel Graphics Media Accelerator 3100 Audio :ADI 1984 High Definition Audio Networking :Intel 82566DM Gigabit LAN 10/100/1000 Chasis : Number of Bays :2 internal 3.5 in; 1 external 3.5 in; 2 external 5.25 in Expansion Slots :2 PCI; 1 PCIe x16; 1 PCIe x1; 1 Flexbay (for Media Card Reader); 5 SATA Ports :10 USB 2.0 ports; 2 front; 6 back & 2 internal; 1 Serial; 1 Parallel; 1 RJ-45; 1 VGA port; Stereo in (front); speakers out (back); mic in (front); headphone (front); Power Supply Unit :Standard 305W PSU Dimensions : 16.10" high x 7.36" wide x 17.52" deep System Weight : 25.80 lbs Warranty : 365 days

Model :Dell OptiPlex 755 MT - Mini Tower Operating System Info :Windows 7 Professional 64bit Chipset :Intel Q35 Express Chipset (ICH9DO) Processor :Core 2 Duo E8200 @ 2.67 GHz Memory Installed :1 GB DDR2 Memory Supported :4 DIMM slots DDR2 Synch DRAM Non-ECC Memory (667/800Mhz) up to 8GB Hard Drive :80GB Optical Drive :DVD-RW Graphics :Integrated Intel Graphics Media Accelerator 3100 Audio :ADI 1984 High Definition Audio Networking :Intel 82566DM Gigabit LAN 1