Compatible with iMac : 

Apple iMac A1419 27" 2.9GHz Core i5 Late 2012 MD095LL/A
Apple iMac A1419 27" 3.2GHz Core i5 Late 2012 MD096LL/A
Apple iMac A1419 27" 3.4GHz Core i7 Late 2012 MD096LL/A

Apple iMac A1419 27" 3.2GHz Core i5 Late 2013 ME088LL/A
Apple iMac A1419 27" 3.4GHz Core i5 Late 2013 ME089LL/A
Apple iMac A1419 27" 3.5GHz Core i7 Late 2013 ME089LL/A

Apple iMac A1419 27" 3.5GHz Core i5 Late 2014 MF886LL/A
Apple iMac A1419 27" 4.0GHz Core i7 Late 2014 MF886LL/A

Apple iMac A1419 27" 3.3GHz Core i5 Mid 2015 MF885LL/A