XPS 15-1579sLV is a specific model for XPS 15 which comes with Intel Core i5 3210M 2.5 GHzNVIDIA GeForce GT 630M with 1GBIntel Centrino Advanced-N 6235 with Bluetooth 4.0Backlit Keyboard65WHr battery; 9-Cell Li-Polymer (built-in). I hope this information would be useful for you.
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