Model :Dell OptiPlex 790 USFF - Ultra Form Factor Operating System Info :Windows 7 Professional 64bit Chipset :Intel Q65 Express Chipset Processor :Core i7-2600S @ 2.8 GHz Memory Installed :4 GB DDR3 Memory Supported :Up to two DDR3 Synch DRAM Non-ECC 1333MHz Memory; supporting 1 GB to 8GB Hard Drive :250GB Optical Drive :DVD-RW Graphics :Integrated Intel HD Graphics Audio :Realtek ALC269Q High Definition Audio Codec Networking :Intel 82579LM Gigabit Ethernet LAN 10/100/1000 Chasis : Number of Bays :1 internal 2.5 in; 1 external 5.25 in (slimline) Expansion Slots :1 miniPCIe connector Ports :7 External USB 2.0 ports (2 Front; 5 Rear); 1 Serial; 1 RJ-45; 1 VGA; 1 DisplayPort; 2 Line-in; (stereo/microphone); 2 Line-out (headphone/speaker) Power Supply Unit :Standard 200W PSU Dimensions : 2.56" high x 9.32" wide x 9.44" deep System Weight : 7.20 lbs Warranty : 365 days

Model :Dell OptiPlex 790 USFF - Ultra Form Factor Operating System Info :Windows 7 Professional 64bit Chipset :Intel Q65 Express Chipset Processor :Core i7-2600S @ 2.8 GHz Memory Installed :4 GB DDR3 Memory Supported :Up to two DDR3 Synch DRAM Non-ECC 1333MHz Memory; supporting 1 GB to 8GB Hard Drive :250GB Optical Drive :DVD-RW Graphics :Integrated Intel HD Graphics Audio :Realtek ALC269Q High Definition Audio Codec Networking :Intel 82579LM Gigabit Ethernet