Toshiba Satellite S50-ABT2N22 15.6" Quad Edition Windows 7 PRO Notebook PC (S55 with Intel Core i7-4700MQ, 1TB Hybrid SSD, 16GB DDR3 RAM, SuperMulti DVD, 2GB NVIDIA, Win 8 Pro Option) Windows 7 Professional 64-Bit; 2.4GHz/3.4GHz Quad Core Intel Core i7 4th Gen Haswell CPU 15.6" HD TruBrite LED Backlit Display; SuperMulti Double Layer DVD Burner Optical 2GB GDDR3 NVIDIA  GeForce GT 740M with Optimus Tech; 16GB DDR3L 1600MHz SDRAM 1TB (1024GB) 5400RPM Hybrid SSD Hard Drive; Bluetooth v4.0; HD Webcam & Microphone Full Size Backlit Keyboard, harmon/kardon Audio, HDMI, WiFi-N, 1 Year Toshiba Warranty