ASUS U36SG-DS51 13.3" Notebook PC - Black Box Contents - ASUS U36SG-DS51 Notebook, 8-Cell Rechargeable Battery, AC power adapter; Pre-installed Software - Windows 7 Home Premium 64-bit, 2-year Global Limited Warranty & 1-year Accidental Damage Warranty Intel Core i5-2450M 2.50GHz Processor with Turbo Boost Technology up to 3.10GHz 3MB Smart Cache 4GB DDR3 SDRAM 750GB 5400RPM SATA Hard Drive