HP 515895-001 - Intel Core 2 Duo processor P9500 - 2.53GHz (Penryn, 1066MHz front side bus, 6MB Level-2 cache) - Includes replacement thermal mater Retail
HP 588573-001 - System board (motherboard) with Intel Core 2 Duo LV processor SL9600 - 2.13GHz (Penryn, 1066MHz front side bus, 6MB Level-2 cache) Retail
HP 507957-001 - Intel Core 2 Duo processor P9600 - 2.80GHz (Penryn-MV, 1066MHz front side bus, 6MB total Level-2 cache, 35Watt TDP, 65nm) Retail
HP 513947-001 - System board (motherboard) with Intel Core 2 Duo LV processor SL9600 - 2.13GHz (Penryn, 1066MHz front side bus, 6MB Level-2 cache) Retail