Asus X53U-RH21 Mocha 15.6in E450 4g Ddr3 320g Box Contents - ASUS X53U-RH21 Notebook, AC Adapter, 6-cell Battery; Pre-installed Software - Windows 7 Home Premium 64-bit, ASUS Utility, 1-Year Limited Global Hardware Warranty, 1-Year Accidental Damage Warranty (North America Only, must register within 60 days) AMD Dual-Core E-450 1.65GHz Accelerated Processor 1MB L2 Cache 4GB DDR3 SDRAM Memory 320GB 5400RPM SATA Hard Drive