Samsung RC512-S01 Core i7-2630M 2GHz 6GB 750GB DVD&plusmn;RW NVIDIA Optimus 15.3" LED Notebook Windows 7 Home Premium w/Webcam, 4G WiMAX & 6-Cell Samsung RC512-S02 Core i7-2630QM 2.0GHz 15.3-inch Notebook General Features: Gray color with aluminum inlay Microsoft Windows 7 Home Premium 64-bit pre-installed w/CoA reinstallation partition 6-Cell Li-ion battery Intel Core i7-2630QM 2.0 GHz quad-core processor with Intel Hyper-Threading Technology