HP 538316-001 - System board (motherboard) - Includes Intel Core 2 Duo processor SL9400 - 1.86GHz (Penryn, 1066MHz front side bus, 6MB Level-2 cach Retail
Hewlett-Packard (HP) 501485-001 - 1.86Ghz 1066Mhz 6MB Intel Core 2 Duo SL9400 CPU Processor Sale $169.00 Retail $299.00