CybertronPC Hellion Gaming Desktop - AMD FX-6300 3.5GHz Hexa-Core, NVIDIA GT740 (2GB) Graphics, 16GB DDR3 Memory, 1TB HDD, WiFi, DVD&plusmn;RW, LED Fan Control Panel, Microsoft Windows 8.1 Home 64-Bit (Discontinued by Manufacturer) System: AMD FX-6300 3.50GHz Six-Core | 760G | 16GB DDR3 | 1TB HDD Genuine Windows 8.1 64-Bit Graphics: NVIDIA GeForce GT 740 2GB Video Card | 24X DVDRW Dual-Layer Drive | Audio: 7.1 Channel | Gigabit LAN Keyboard and Mouse Expansion Bays/Slots Total(Free): 3(1) Ext. 5.25" | 6(5) Int. 3.5/2.5" | 1(0) PCI | 1(0) PCI-E x1 | 1(0) PCI-E x16 4(2) DIMM 240P Connectivity: 4x USB 3.0 | 4x USB 2.0 | 1x RJ-45 Network Ethernet 10/100/1000 | Wireless 802.11bgn | Audio | 1x DVI | 1x HDMI 1x VGA