Dell OptiPlex 7020 Desktop Computer (Intel Quad Core i7-4790 up to 4GHz, Small Form Factor) Intel Quad Core i7-4790 Processor 3.6 GHz - 4 GHz (8 MB L3 Cache, Q87 Express Chipset), 8 GB DDR3 DDR3-1600/PC3-12800 (16GB supported) 3 years parts and labor from Dell, 500 GB 7200 RPM Hard Drive Intel HD Graphics 4600, Windows 8.1 Pro 64-Bit, sleek, slim form factor 802.11b/g/n Wireless LAN, 10/100/1000Mbps LAN Bluetooth DVDRW Optical Drive: Reads and Writes CDs and DVDs, 6 USB 2.0 Ports, 4 USB 3.0 Ports, VGA, DisplayPort, Security Slot