Lenovo ThinkPad W530 243857U 15.6-Inch LED Notebook (Intel Core i7-3740QM 2.7GHz, 4 GB RAM, 500 GB HDD, Win 7 PRO 64) 3 Years Warranty Processor: Intel i7-3740QM 2.70 Ghz (x 8 threads) , 3.70 GHz (x 4 Threads) , 6 MB L3 Cache , 45 Watts Operating System: Windows 7 Professional x 64bit / Optical Drive: SuperMulti DVD+/-R/RW Optical Drive RAM: 4GB (1 x 4GB) DDR3 1600MHz / Hard Drive: 500GB 7200rpm HDD / Graphics: 2GB NVIDIA Quadro K2000M 3 years warranty