Apple Computer iMac 27-inch 2.7 / 3.1 / 3.4 Ghz Core (i5-2500S , i5-2400 , i7-2600) iMac 21.5 inch 3.2/3.06 GHz Core i3 – 3.06 GHz Core i5 (i3-540 , i5-680) iMac 27-inch 2.8 / 3.2 / 3.6 Ghz Core i3 (760 , 550 , 680 ) Order Number MC813LL/A , MC508LL/A, MC510LL/A Model Number […]