Lenovo Z50 15.6-inch FULL HD High Performance Laptop Computer - (2.0GHz Intel i7-4510U Processor, 16GB RAM, 1TB HDD, Multi-DVD Drive, Win 8.1) 15.6" FULL HD (1080P) LED-Backlit Display Intel Core i7-4510U Processor ( 2.00GHz Base 1600MHz 4MB Cache, 3.10GHz Turbo) 16GB DDR3L SDRAM 1600 MHz, 1TB Hard Drive, Multi-DVD Drive Windows 8.1 with upgrade right to future Windows 10; Intel Dual Band Wireless-AC 3160, Bluetooth 4.0 Up to 5 hours with standard battery, USB 3.0, USB 2.0, HDMI-out, 2-in-1 card reader, combo jack.