Processor Number	Cache	Clock Speed	Bus Speed	Number of Cores	Intel® Virtualization Technology◊	Intel® 64◊	Intel® Trusted Execution Technology◊	Execute Disable Bit◊
45 nm
Q9650	12 MB L2	3 GHz	1333 MHz FSB	4
Q9550S	12 MB L2	2.83 GHz	1333 MHz FSB	4
Q9550	12 MB L2	2.83 GHz	1333 MHz FSB	4
Q9505S	6 MB L2	2.83 GHz	1333 MHz FSB	4
Q9505	6 MB L2	2.83 GHz	1333 MHz FSB	4
Q9500	6 MB L2	2.83 GHz	1333 MHz FSB	4
Q9450	12 MB L2	2.66 GHz	1333 MHz FSB	4
Q9400S	6 MB L2	2.66 GHz	1333 MHz FSB	4
Q9400	6 MB L2	2.66 GHz	1333 MHz FSB	4
Q9300	6 MB L2	2.5 GHz	1333 MHz FSB	4
Q8400S	4 MB L2	2.66 GHz	1333 MHz FSB	4
Q8400	4 MB L2	2.66 GHz	1333 MHz FSB	4
Q8300	4 MB L2	2.5 GHz	1333 MHz FSB	4	See SPEC Details
Q8200S	4 MB L2	2.33 GHz	1333 MHz FSB	4
Q8200	4 MB L2	2.33 GHz	1333 MHz FSB	4
65 nm
Q6700	8 MB L2	2.66 GHz	1066 MHz FSB	4
Q6600	8 MB L2	2.4 GHz	1066 MHz FSB	4