DESC: Operating System Genuine Windows 7 Home Premium 64-bit, SP1, Processor and Graphics: Intel Core i5-2435M Processor, 2.40 GHz (3.0 GHz with Turbo Boost Technology), 3MB Cache, Mobile Intel HM65 Express Chipset, Mobile Intel HD Graphics with 64MB-1696MB dynamically allocated shared graphics memory; Memory: Configured with 6GB DDR3 1333MHz (max 8GB), 2 main memory slots, both slots occupied. Storage Drive 640GB (5400 RPM) Serial ATA hard disk drive, TOSHIBA Hard Drive Impact Sensor (3D sensor).