Microtel Computer AMTI9042 Liquid Cooling PC Gaming Computer with Intel i7 3820 3.6Ghz Processor, 16GB DDR3/1333, 1TB Hard Drive, 24X DVD-RW, Radeon HD 7850 2GB GDDR5 Video Card, 1000Watt PS, X79 Chipset, Microsoft Windows 8.1 Full Version CD - 64 bit + WiFi Intel Core i7-3820 Sandy Bridge-E 3.6GHz (3.8GHz Turbo Boost) LGA 2011 130W Quad-Core Desktop Processor 16 GB 1333MHZ DDR3 1TB Hard Drive 7200RPM Radeon HD 7850 2GB GDDR5 Video Card Microsoft Windows 8.1 Full Version CD  64 bit