HP Envy 700 Series Desktop - 4th Gen. Intel Core i7-4770 Quad Core - 12GB RAM - 1TB Hard Drive - DVDRW - 4GB NVIDIA Graphic Card - Windows 7 4th Generation Intel Core i7-4770 processor quad-core [3.4GHz, 8MB Shared Cache] / Genuine Windows 7 Home Premium 64 bit operating system. 12GB DDR3 SDRAM / Integrated Sound, Envy Audio; Beats Audio 1TB 7200 RPM SATA Hard Drive / SuperMulti DVD Burner / HP WLAN 802.11 b/g/n 1x1 MCard with Bluetooth. 4GB NVIDIA GeForce GT 640 Video card / HP USB keyboard and optical mouse / 300W Power supply 15-in-1 Multi-slot Media Card Reader, 4 USB Ports (Front/Top), Audio [Front 2USB2.0, Top 2USB3.0]