Microtel Computer&reg; AMTI7009 Gaming PC Computer with 3.4GHz Intel i7 3770, 16GB DDR3 1333MHz, 2TB Hard Drive 7200RPM, 24X DVD-RW, Nvidia Geforce 550 GTX TI 1GB GDDR5 Video Card, Microsoft Windows 8.1 Full Version CD - 64 bit + WIFI Intel Core i7-3770 Sandy Bridge 3.4GHz (3.9GHz Turbo) LGA 1155 16 GB 1333MHZ DDR3 2TB Hard Drive 7200 RPM Nvidia Geforce 550 GTX TI 1GB GDDR5 Video Microsoft Windows 8.1 Full Version CD  64 bit