Acer Computer Aspire AS7551G-5821 17.3" Notebook PC Box Contents - Acer Aspire AS7551G-5821 Notebook, 6-Cell Lithium-Ion Battery (up to 2.7-hours), AC power adapter Windows 7 Home Premium 64-bit,Microsoft Works with Office Home and Student 2007 60-day Trial, McAfee Internet Security Suite 60-day Trial AMD Phenom II Quad-Core N930 2.0GHz Processor 2 MB Cache, 1333 MHz FSB 4 GB (4096 MB) DDR3 Dual-Channel 1066 MHz RAM (8 GB max.) 500 GB 5400RPM SATA Hard Drive 1-Year International Travelers Limited Warranty