CybertronPC ViperX5 Gaming Desktop - Intel i5-4690K 3.5GHz Quad-Core Processor, 8GB DDR3 Memory, AMD Radeon R7 240 (2GB) Graphics, 1TB HDD, Microsoft Windows 8.1 64-Bit (Discontinued by Manufacturer) System: Intel Core i5-4690K 3.50GHz Quad-Core | Intel Z97 Express Chipset | 8GB DDR3 | 1TB HDD | Genuine Windows 8.1 64-bit Graphics: AMD RADEON R7 240 2GB Video Card | 24X DVDRW Dual-Layer Drive | Audio: 8 Channel | Gigabit LAN | Keyboard and Mouse Expansion Bays/Slots Total(Free): 4(3) Ext. 5.25" | 6(5) Int. 3.5/2.5" | 2(2) PCI | 2(2) PCI-E x1 | 2(1) PCI-E x16 | 4(3) DIMM 240P Connectivity: 2x USB 3.0 | 6x USB 2.0 | 1x RJ-45 Network Ethernet 10/100/1000 | Audio | 1x HDMI | 1x DVI | 1x VGA Chassis: Gaming Mid-Tower w/450 Watt Power Supply | 1 Year Parts & Labor Warranty | Free Lifetime Tech Support