Processor Intel Core i5-2520M Dual Core (2.5GHz, 4MB Cache) Screen 15.6" (Lenovo Anti-Glare, 1366x768 HD Resolution, LED Backlit) Operating System Windows 7 Professional Edition 64-bit RAM 8GB Hard Drive 500GB (7,200 RPM) Optical Drive DVD Rewriter (Records DVDs 8x & CDs 24x & Dual Layer Sup...