CybertronPC Syclone II Gaming PC (Black) (Discontinued by Manufacturer) Processor: Liquid Cooled AMD FX 6100 3.30GHz Six-Core; Motherboard: AMD 970 Chipset; Memory: 16GB DDR3 Ballistix SDRAM (expandable to 32GB); Hard Drive: 1TB (7200 RPM); Genuine Windows 7 Home Premium 64-bit Graphics: 2x AMD Radeon HD7750 1GB Video Cards in CrossFireX Configuration; Optical Drive: Blu-ray ROM/DVDRW Combo with LightScribe; Audio: 7.1 Channel; Integrated 10/100/1000 Gigabit Ethernet LAN Expansions: Bays Total (Free) - 4 ( 2 ) External 5.25"; 6 ( 5 ) Internal 3.5"; Slots Total (Free) - 2 ( 2 ) PCI; 3 ( 3 ) PCI Express x1; 2 ( 0 ) PCI Express x16; 4 ( 0 ) DIMM 240-Pin Connectivity: 1 x PS/2 Keyboard/Mouse Combo; 2 x USB 3.0; 10 x USB 2.0 [2 front, 8 rear]; 1 x RJ-45 Network Ethernet 10Base-T/100Base-TX/1000Base-T; Audio; 2 x HDMI; 2 x DVI; 2 x DisplayPort Chassis: Aerocool Syclone II-Bk Mid-Tower Gaming Case with 80 Plus Bronze Certified 800 Watt Power Supply; Accessories: Keyboard and Optical Mouse with Scroll; Service & Support Details: 1 Year Parts & Labor Warranty; Free Lifetime Tech Support