Compatible Replacement I/o Board Flex Cable Apple MacBook Pro Retina 15" A1398 Mid 2015 Mjlq2 Mjlt2 A1398 I/O Board Cable Mid 2015 821-2653-A. I/O board flex cable Compatibility - MacBook Pro Retina 15? A1398 - MacBookPro11,4 Mid 2015 (IG): MJLQ2LL/A (2.2 GHz Core i7) - MacBookPro11,4 Mid 2015 (IG): MJLQ2LL/A BTO (2.5 GHz Core i7) - MacBookPro11,4 Mid 2015 (IG): MJLQ2LL/A BTO (2.8 GHz Core i7) - MacBookPro11,5 Mid 2015 (DG): MJLT2LL/A (2.5 GHz Core i7) - MacBookPro11,5 Mid 2015 (DG): MJLT2LL/A BTO (2.8 GHz Core i7) Identifying Numbers - Apple Part:076-00085 - Printed Part:821-2653-A Professional Technical Installation highly recommended