CybertronPC Slayer II Gaming PC (Black) (Discontinued by Manufacturer) System: Liquid Cooled Intel Core i5-3570K 3.40GHz Unlocked Quad-Core | Intel H67 Express chipset | 16GB DDR3 | 1TB HDD | Genuine Windows 7 64-bit Graphics: NVIDIA GeForce GTX 550 Ti 1GB Video Card | 24X DVDRW Dual-Layer Drive | Audio: 7.1 Channel | Gigabit LAN | Keyboard & Mouse Expansion Bays/Slots Total(Free): 3(1) Ext. 5.25"|1(0) Ext. 3.5"|1(0) Int. 2.5" | 2(2) PCI Exp. x1|2(0) PCI Exp. x16|4(0) DIMM 240P Connectivity: 2x USB 3.0 | 8x USB 2.0 | 1x RJ-45 Network Ethernet 10/100/1000 | Audio | 2x DVI | 1x HDMI | 1x eSATA Chassis: In-Win Dragon Slayer Mini-Tower Gaming Case w/600 Watt Power Supply | 1 Year Parts & Labor Warranty | Free Lifetime Tech Support