Lenovo ThinkPad W540 20BG0016US 15.5" LED Notebook - Intel - Core i7 i7-4800MQ 2.7GHz Processor: i7-4800MQ, 8GBx1 ram (32GB Max), 256 Solid State Drive, 3K (2880x1620)display, NVIDIA K2100M graphics, HD720p camera X-Rite Color Calibration, Backlit Keyboard, Fingerprint Reader, Bluetooth 4.0, Optical: DVD+-RW, 7260 wireless ac Ports: Two USB 3.0, two USB 2.0 (one Always On), VGA, Mini DisplayPort / Thunderbolt ethernet (RJ-45), Dock connector Windows 7 Professional 64 preinstalled through downgrade rights in Windows 8 Pro 64-bit 3 Year Lenovo Depot Warranty