intel core 2 duo processors were launched on 27th July 2006 at Fragapalooza n code named CONROE.

they are built on 65nm process n manufactured with 4MB L2 Cache

some of the processors available are E6300(1.86Ghz) n E6400(2.13Ghz) with both having
1066 MT/s FSB

they have enormous value for overclocking capacities
according to a study a 1.86Ghz processor has been overclocked to 3.0Ghz with motherboard supporting high FSB's