Lenovo Thinkpad Business-Ready Laptop T560 20FH001QUS (15.6", i5-6200U 2.3GHz, 4GB RAM, 500GB 7200rpm, Backlit Keyboard, Webcam, Fingerprint Reader, Windows 7 Pro Downgradeable Windows 10 Pro) Intel i5-6200U (2.3GHz up to 2.8GHz) 3MB Cache Intel HD Graphics 520, 4GB RAM, 500GB 7200rpm 15.6-inch HD Display (1366x768) 720p Webcam Backlit Keyboard, Fingerprint Reader, Bluetooth 4.1,No Optical Drive AC WiFi, 3-Cell Battery, Windows 7 Professional 64 pre-installed through downgrade rights in Windows 10 Pro 64