1.83 GHz, 2 MB L2 (X2780), currently Santechha updated processors using Intel Core 2 Duo T7400, 2, 16GHz, 667MHz FSB, 4 MB L2 cache (X2710), Intel Core 2 Duo T5600, 1.83GHz, 667MHz FSB, 2 MB L2 cache (X2780). I bought the notebook directly from Santec site where you can also configure the chosen model