CybertronPC Prime 1 Omega Blue Gaming Desktop-Intel i7-4930K, 64GB DDR3, 2x NVIDIA GTX780, Microsoft Windows 8.1 (Discontinued by Manufacturer) System: Unlocked 4th Gen. Intel Core i7-4930K 3.40GHz 6-Core | Intel X79 Express | 64GB DDR3 Gaming Memory | 2TB HDD | 2x 120GB SSD | Windows 8.1 Graphics: 2x GeForce GTX780 3GB Video Cards in SLI | Blu-ray ROM/DVDRW Drive | Audio: 7.1 Channel | Gigabit LAN | Gaming KBD & MSE | Fan Controls Expansion Bays/Slots Total(Free): 3(1) 5.25" | 4(3) Int 3.5" | 4(2) Int 2.5" | 1(0) PCI | 2(1) PCI-E x1 | 4(2) PCI-E x16 | 8(0) DIMM 240P Connectivity: 4x USB 3.0 | 10x USB 2.0 | 1x RJ-45 Network Ethernet 10/100/1000 | Wireless 802.11bgn| Audio| 4x DVI | 2x DisplayPort | 2x HDMI Chassis: Cooler Master Cosmos SE w/Liquid Cooling | 80PLUS Bronze Cert. 1000W PSU | 1 Year Parts & Labor Warranty | Free Lifetime Tech Support