iMac 27″ A1312 i5-750 2.66Ghz CPU $15.00 A1312 iMac 27″ Late 2009 iMac 27" A1312 i5-750 2.66Ghz CPU quantity Add to cart Add to Quote Continue Shopping Category: A1312 (27" iMac) Late 2009-Mid 2011 Description 2009 iMac 27″ Model: Intel i5-750 2.66Ghz CPU 4 Core (Quad) 4 Threads 8MB Cache Socket: LGA1156