Dell Optiplex 9020 Small Form Factor Desktop i7 i7-4790 Quad-Core 3.6GHz 16GB RAM 256 GB Solid State Drive 1GB AMD RDNHD R5 240 Graphics DVD +/- RW Drive WiFi Windows 7 Professional Processor: Intel Core 4th Generation i7-4790 Processor (Quad Core, 3.6GHz, 8MB Cache) 16GB Dual Channel DDR3 at 1600Mhz, 256 GB Solid State Drive 8X DVD +/- RW Drive, AMD RDNHD R5 240, 1GB DDR3 Dell Wireless 1540 802.11a/n Dual Band, High Speed Wi-Fi Half Mini Card, Dell KB-522 Wired Business Multimedia USB Keyboard, Black Dell USB 6-Button Laser Mouse Windows 7 Professional, 3 years Dell Warranty