The 15.6-inch HP Essential 625 budget business notebook comes with Windows 7 Professional or Home Premium, 32-bit. Comes with Microsoft Office Starter, 2010 edition pre-loaded. Choose from three different AMD processors and 2 or 3GB of RAM at 1066MHz. Hard drive has 320GB of storage at 5400rpm. Every model comes with a 6-cell 47 WHr Lithium-Ion battery.