Part Number(s): 614-0444, 614-0445, 661-5299, ADP-200DFB, OT8043 Compatible with following 21.5" A1311 2009 2010 2011 iMacs iMac10,1 Late 2009: MB950LL/A (3.06 GHz Core 2 Duo) iMac10,1 Late 2009: MC413LL/A (3.06 GHz Core 2 Duo) iMac10,1 Late 2009: MB950LL/A (3.33 GHz Core 2 Duo) iMac11,2 Mid 2010: MC508LL/A (3.06 GHz Core i3) iMac11,2 Mid 2010: MC509LL/A (3.2 GHz Core i3) iMac11,2 Mid 2010: MC509LL/A (3.6 GHz Core i5) iMac12,1 Mid 2011: MC309LL/A (2.5 GHz Core i5) iMac12,1 Mid 2011: MC812LL/A (2.7 GHz Core i7) iMac12,1 Mid 2011: MC812LL/A (2.8 GHz Core i7) iMac12,1 Late 2011: MC978LL/A (3.1 GHz Core i3) |