ASUS UL30A-X5K comes with these spec: Processor & Cache Memory Intel(R) Core™2 Duo Processor SU9400/SU7300 : 1.4 GHz - 1.3 GHz, Intel(R) Celeron(R) Processor SU2300/743 : 1.3 GHz - 1.2 GHz, Operating System Genuine Windows Vista(R) Ultimate, Genuine Windows Vista(R) Business, Genuine Windows Vista(R) Home Premium, Genuine

ASUS UL30VT-X1K comes with these spec: Processor & Cache Memory Intel(R) Core™2 Duo Processor SU7300 : 1.4 GHz Intel(R) Celeron(R) Processor SU2300/743 : 1.2 GHz Operating System Genuine Windows(R) 7 Ultimate Genuine Windows(R) 7 Professional Genuine Windows(R) 7 Home Premium Genuine Windows(R) 7 Home Basic Chipset Mobile

ASUS UL30Vt comes with these spec: Processor & Cache Memory Intel(R) Core™2 Duo Processor SU7300 : 1.4 GHz Intel(R) Celeron(R) Processor SU2300/743 : 1.2 GHz Operating System Genuine Windows(R) 7 Ultimate Genuine Windows(R) 7 Professional Genuine Windows(R) 7 Home Premium Genuine Windows(R) 7 Home Basic Chipset Mobile

ASUS UL80Ag-A1 comes with these specs : Processor & Cache Memory: Intel® Core™2 Duo Processor SU7300 : 1.3 GHz, Operating System: Genuine Windows 7 Home Premium, Chipset: Mobile Intel® GS45 Express Chipset Main Memory : DDR2 800 MHz SDRAM, 2 x SODIMM socket for expansion up to

ASUS UL50AG-A2 comes with these specs: Processor & Cache Memory : Intel® Core™2 Duo Processor SU7300 : 1.3 GHz Operating System: Genuine Windows® 7 Home Premium Chipset: Mobile Intel® GS45 Express Chipset Main Memory : DDR2 800 MHz SDRAM, 2 x SODIMM socket for expansion up to