Custom Built AMD Quad-Core 4.0GHz Windows 7 Gaming Desktop PC Computer System System: AMD FX 4300 3.8GHz (4.0GHz turbo) Quad-Core | 4GB DDR3 | 500GB HDD | Genuine Windows 7 Home 64-bit | Keyboard/Mouse Graphics: GeForce GT 720 1GB Video Card | 48X CD/DVD-ROM Reader Drive | Audio: 5.1 Channel | Gigabit LAN | Wireless Internet Connectivity/Expansion: 6x USB 2.0 (4x rear, 2x front) | 1x RJ-45 Network Ethernet 10/100/1000 | 802.11b/g/n Wireless | Audio | 1x DVI | 1x VGA | 1x HDMI | 2x PS/2 | 1x Serial Port | 1x PCI-Express x1 Slot | 16GB Max RAM Support Chasis: ATX Gaming Tower w/ blue lighting | 1 x Front 80mm Fan | 1 x side 120mm blue fan | Dual fans provide great cooling performance. Free Lifetime Toll Free (800) Phone and Email Technical Support | Standard (1) year parts and labor warranty