CybertronPC Slayer II Gaming PC (Red) (Discontinued by Manufacturer) Processor: Liquid Cooled Intel Core i5-3570K 3.40GHz Unlocked Quad-Core; Motherboard: Intel H67 Express chipset; Memory: 16GB DDR3 Ballistix SDRAM (expandable to 32GB); Hard Drive: 1TB (7200 RPM); Genuine Windows 7 Home Premium 64-bit Graphics: NVIDIA GeForce GTX 550 Ti 1GB (2 x DVI/Mini-HDMI); Optical Drive: Blu-ray ROM/DVDRW Combo with LightScribe; Audio: 7.1 Channel; Integrated 10/100/1000 Gigabit Ethernet LAN Expansions: Bays Total (Free) - 3 ( 1 ) External 5.25"; 1 ( 0 ) External 3.5"; 1 (1 ) Internal 2.5"; Slots Total (Free) - 1 ( 1 ) PCI; 2 ( 2 ) PCI Express x1; 1 ( 0 ) PCI Express x16 Connectivity: 2 x USB 3.0 [1 front, 1 rear]; 8 x USB 2.0 [2 front, 6 rear]; 1 x eSATA; 1 x RJ-45 Network Ethernet 10Base-T/100Base-TX/1000Base-T; Audio; 2 x DVI; 1 x HDMI Chassis: In-Win Dragon Slayer Mini-Tower Gaming Case with 600 Watt Power Supply; Accessories: Keyboard and Optical Mouse with Scroll; Service & Support Details: 1 Year Parts & Labor Warranty; Free Lifetime Tech Support