Product Name: For Macbook 12" A1534 Motherboard (Logic Board)
820-00045-A (2015)
820-00244-A (2016)
820-00687-A (2017)
CPU: Core M / M3 / M5 / M7 / i5 / i7
RAM:8GB / 16GB
The 2016 and 2017 mainboards are compatible with each other, but cannot be used for 2015.
2015 1.1GHz 256GB/1.2GHz 512GB: Compatible with the following machines
Early 2015 For MacBook 12-inch EMC 2746 1.1 GHz "Core M" 256GB APN:820-00045-A
Early 2015 For MacBook12-inchEMC 2746 1.2 GHz "Core M" 512GB APN:820-00045-A
Early 2015 For MacBook12-inch EMC 2746 BTO/CTO 1.3 GHz "Core M" APN:820-00045-A
2016 1.1GHz 256GB / 2016 1.2GHz 512GB: Compatible with the following machines
Early 2016 For MacBook 12-inch EMC 2991 1.1 GHz "Core M3 256GB APN:820-00244-A
Early 2016 For MacBook12-inchEMC 2991 1.2 GHz "Core M5" 512GB APN:820-00244-A
Early 2016 For MacBook12-inchEMC 2991 BTO/CTO 1.3 GHz "Core M7" APN:820-00244-A
2017 1.2GHz 256GB/1.3GHz i5 512GB/1.4GHz i7 512GB: Compatible with the following machines
Mid 2017 For MacBook 12" EMC 3099 1.2 GHz "Core M3" 256GB APN:820-00687-A
Mid 2017 For MacBook 12" EMC 3099 1.3 GHz "Core i5" 256GB/512GB APN:820-00687-A
Mid 2017 For MacBook 12" EMC 3099 BTO/CTO 1.4 GHz "Core i7" 16GB 512GB APN:820-00687-A
