Processor Number	Cache	Clock Speed	Bus Speed	Number of Cores	Max TDP	Intel® Virtualization Technology◊	Intel® 64◊	Execute Disable Bit◊
45 nm
Z550	512 KB L2	2 GHz	533 MHz FSB	1	2.4 W
Z540	512 KB L2	1.86 GHz	533 MHz FSB	1	2.4 W
Z530P	512 KB L2	1.6 GHz	533 MHz FSB	1	2.2 W
Z530	512 KB L2	1.6 GHz	533 MHz FSB	1	2 W
Z520PT	512 KB L2	1.33 GHz	533 MHz FSB	1	2.2 W
Z520	512 KB L2	1.33 GHz	533 MHz FSB	1	2 W
Z515	512 KB L2	1.2 GHz	400 MHz FSB	1	1.4 W
Z510PT	512 KB L2	1.1 GHz	400 MHz FSB	1	2.2 W
Z510P	512 KB L2	1.1 GHz	400 MHz FSB	1	2.2 W
Z510	512 KB L2	1.1 GHz	400 MHz FSB	1	2 W
Z500	512 KB L2	800 MHz	400 MHz FSB	1	0.65 W
N280	512 KB L2	1.66 GHz	667 MHz FSB	1	2.5 W
N270	512 KB L2	1.6 GHz	533 MHz FSB	1	2.5 W
330	1 MB L2	1.6 GHz	533 MHz FSB	2	8 W
230	512 KB L2	1.6 GHz	533 MHz FSB	1	4 W