HP 591880-001 - Intel Core 2 Duo Mobile processor T4500 - 2.3GHz (Penryn-MV, 3MB total Level-2 cache) Retail
HP 584296-001 - Intel Core 2 Duo Mobile processor T4400 - 2.2GHz (Penryn-MV, 3MB total Level-2 cache) Retail