Lenovo ThinkPad E540 20C6008QUS, 15.6" HD 1366 x 768, i7-4702MQ Quad-core 2.20 GHz, 4GB RAM, 500GB HDD, Windows 7 Pro 15.6 inch HD (1366x768) display Intel Quad Core i7-4702MQ, 2.2 GHz, 6MB cache 4GB RAM, 500GB HDD, Intel HD graphics 720p camera, Numeric Keypad, Fingerprint Reader Windows 7 Professional Operating System