SONY VAIO Y-VPCY115FX/BI is powered by 1.3GHz Intel Core 2 Duo SU7300 processor with Consumer Ultra-Low Voltage (CULV) Technology, Intel GMA 4500MHD integrated graphics, 4GB of DDR3 memory (up to 8GB), 320GB of hard drive space (up to 500GB), Lithium-ion Battery (5000mAh) up to 8 hours with Standard Capacity Battery Up to 12 hours with Large Capacity Battery.