this adapter is compatible with the folllwing MacBook Models:（Note: requires macOS 10.13 High Sierra or later）1. MacBook Pro: MacBook Pro (15-inch Retina display Mid 2015)Model ID: MacBookPro11,5 (2.5GHz, 2.8GHz) MacBook Pro (13-inch Retina display Early 2015)Model ID: MacBookPro12,1 (2.7GHz, 2.9GHz, 3.1GHz) MacBook Pro (15-inch Retina Display 2014)Model ID: MacBookPro11,3 (2.5GHz, 2.8GHz) MacBook Pro (15-inch Retina Display 2014)Model ID: MacBookPro11,2 (2.2GHz, 2.5GHz, 2.8GHz) MacBook Pro (13-inch Retina Display 2014)Model ID: MacBookPro11,1 (2.6GHz, 2.8GHz, 3.0GHz) MacBook Pro (15-inch Retina Display 2013)Model ID: MacBookPro11,3 (2.3GHz, 2.6GHz) MacBook Pro (15-inch Retina Display 2013))Model ID: MacBookPro11,2 (2.0GHz, 2.3GHz, 2.6GHz) 2. MacBook Air: MacBook Air (13-inch Mid 2017)Model ID: MacBookAir7,2 (1.8GHz i5, 2.2GHz i7) MacBook Air (11-inch Early 2015)Model ID: MacBookAir7,1 (1.6GHz i5, 2.2GHz i7) MacBook Air (13-inch Early 2014)Model ID: MacBookAir6,2 (1.4GHz, 1.7GHz) MacBook Air (11-inch Early 2014)Model ID: MacBookAir6,1 (1.4GHz, 1.7GHz) MacBook Air (13-inch Mid 2013)Model ID: MacBookAir6,2 (1.3GHz, 1.7GHz) MacBook Air (11-inch Mid 2013)Model ID: MacBookAir6,1 (1.3GHz, 1.7GHz) 3. Mac Pro: Mac Pro (December, 2013) Model ID: MacPro6,1 (2.7GHz 3.0GHz, 3.5GHz, 3.7GHz) Package Included: 1x PCB Adapter 1 x M2 Screw 1x screwdriver