CybertronPC Kombat-X Gaming PC (Black) (Discontinued by Manufacturer) System: AMD FX 6100 3.30GHz 6-Core | AMD 970 Chipset | 16GB DDR3 | 1TB HDD | Genuine Windows 7 64-bit Graphics: 2x AMD Radeon HD6670 1GB Cards in CrossFireX | 24X DVDRW Dual-Layer Drive | Audio: 7.1 Channel | Gigabit LAN | Keyboard & Mouse Expansion Bays/Slots Total(Free): 3(1) Ext. 5.25"|1(1) Ext. 3.5"|5(4) Internal 3.5/2.5" | 2(2) PCI|3(3) PCI Exp. x1|2(0) PCI Exp. x16|4(0) DIMM 240P Connectivity: 2x USB 3.0 | 10x USB 2.0 | 1x RJ-45 Network Ethernet 10/100/1000 | Audio | 2x VGA | 2x DVI | 2x HDMI Chassis: In-Win BUC 101 Mid-Tower Gaming Case w/600 Watt Power Supply | 1 Year Parts & Labor Warranty | Free Lifetime Tech Support