Lenovo ThinkPad W541 (20EF000NUS) Laptop: i7-4810MQ (up to 3.8 GHz), 15.6 inch FHD Screen, 8 GB RAM, 256 GB SSD, NVIDIA Quadro K1100M, Win 7 Pro 64 4th Generation Intel Core i7-4810MQ Quad Core processor (2.8 GHz base, 3.8 GHz Max Turbo, 6MB Cache) 15.6 inch, FHD (1920x1080) resolution screen. 300 nits, 500:1 contrast ratio Intel HD Graphics 4600 graphics in processor and NVIDIA Quadro K1100M (2GB) Dedicated Graphics Card 8 GB RAM (upgradeable up to 32 GB), 256 GB SSD Drive, DVD MultiBurner, 720p Webcam, 9-cell High Capacity Battery, 7260 AC WiFi and Bluetooth Windows 7 Pro 64-bit preinstalled through Windows 8.1 Pro Downgrade Rights - ELIGIBLE FOR WINDOWS 10 PRO UPGRADE