Mobile workstation Lenovo ThinkPad W540,Intel Core i7-4600M(2.9GHz up to 3.6GHz,4MB),8(2x4)GB DDR3L,500GB 7200rpm,15.5” 3K IPS(2880x1620)AG,Quadro K2100M 2GB,DVDRW,Color Sensor,WWAN capable,Wireless AC,BT,FPR,1Gb Ethernet,USB 3.0,Camera,backlit keyboard,6cell,Win 7Pro & Win 8.1Pro,3 Years