ORIGINAL APPLE
COMPATIBILITY:
iMac 21.5"
Model: A1418
Year: LATE-2012 TO 2017
  ; YEAR: LATE-2012 - 2.7GHz Core i5 (i5-3330S)
- Cores: Quad-Core (4)
- Socket Type: LGA 1155 (Socket H2)
- EFI Architecture: 64-Bit
YEAR: LATE-2012- 2.9GHz Core i5 (i5-3470S)
- Cores: Quad-Core (4)
- Socket Type: LGA 1155 (Socket H2) EFI Architecture: 64-Bit
YEAR: LATE-2012- 3.1GHz Core i7(i7-3770S)
- Cores: Quad-Core (4) Socket Type: LGA 1155 (Socket H2)
- EFI Architecture: 64-Bit
YEAR: EARLY-2013 - 3.3GHz Core i3 (i3-3225)
- Cores: Dual-Core (2)
- Socket Type: ;LGA 1155 (Socket H2)
- EFI Architecture: 64-Bit
YEAR: LATE-2013- 2.7GHz Core i5(i5-4570S)
- Cores: Quad-Core (4)
- Socket Type: ;LGA 1150 (Socket H3)
- EFI Architecture: 64-Bit
YEAR: LATE-2013- 3.1GHz Core i7(i5-4770S)
- Cores: Quad-Core (4)
- Socket Type: ;LGA 1150 (Socket H3)
- EFI Architecture: 64-Bit
YEAR: 2017 4K - 3.0GHz Core i5 (i5-7400)
- Cores: Quad-Core (4)
- Socket Type: LGA 1151
- EFI Architecture: 64-Bit
YEAR: 2017 4K - 3.4GHz Core i5 (i5-7500)
- Cores: Quad-Core (4)
- Socket Type: LGA 1151
- EFI Architecture: 64-Bit
YEAR: 2017 4K - 3.6GHz Core i7 (i7-7700)
- Cores: Quad-Core (4)
- Socket Type: LGA 1151
- EFI Architecture: 64-Bit