Sony VAIO VPC-EB15FM/T 15.5" Notebook (2.13GHz Intel Core i3-330M 4GB RAM 500GB HDD Blu-ray Read Only Microsoft Windows 7 Home Premium 64-bit) Sony VAIO VPC-EB15FM/T Core i3-330M 2.13 GHz 15.5-inch Notebook General Features: Maple Brown color scheme Microsoft Windows 7 Home Premium 64-bit pre-installed w/CoA 6-cell Li-ion battery Intel Core i3-330M Dual-Core 2.13 GHz CPU 3 MB L3 cache, Intel Hyper-Threading technology 4 GB DDR3 1066 MHz RAM (supports up to 8 GB) 500 GB SATA hard drive