A1398 A1424 MC975 MD506 MC975CH MC976ZP MD506B/A MD506LL/A Compatible For Laptop Models: For MacBook Pro MD103 MD104 15.4-Inch Retina Display For MacBook Pro MD103LL/A MD103D/A MD103B/A MD103F/A For MacBook Pro MD103J/A MD103K/A MD103N/A MD103Y/A MD103X/A For MacBook Pro MD104LL/A MD104D/A MD104B/A MD104F/A For MacBook Pro MD104J/A MD104K/A MD104N/A MD104Y/A MD104X/A For MacBook Pro MC975 MC976 15.4-Inch Retina Display For MacBook Pro MC975LL/A MC975D/A MC975B/A MC975F/A For MacBook Pro MC975J/A MC975K/A MC975N/A MC975Y/A MC975X/A For MacBook Pro MC976LL/A MC976D/A MC976B/A MC976F/A For MacBook Pro MC976J/A MC976K/A MC976N/A MC976Y/A MC976X/A