Intel Core i7-4770S Processor with 3.1Ghz Intel Q87 Chipset 4GB DDR3 1600Mhz Memory 4 x DIMM (1 x Occupied) 500GB 7200RPM Hard Drive Integrated HD4600 Graphic 24X DVD-RW Drive GB Lan Windows 7 Pro Installed & Windows 8 Pro CD Included Keyboard & Mouse Included Energy Star 5.2 EPEAT Gold COM Port and Parallel Port 100% Solid Cap 2 x Display Port TPM Vpro Support