Asus N55SF-A1 15.6" LED Notebook Box Contents - ASUS N55SF-A1 Notebook, 6-Cell Lithium-Ion Battery, AC power adapter; Pre-installed Software - Windows 7 Home Premium 64-bit Intel Core i7-2630QM 2.00GHz Quad-Core Processor with Turbo Boost Technology up to 2.90GHz 6MB Smart Cache 8GB DDR3 SDRAM (4GB x 2) 750GB 7200RPM SATA Hard Drive