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Replacement Logic Board for the Mid 2011 21.5" iMac. This part was used in all Configurations of the Mid 2011 Model.
No CPU is included with this Board.
Please note there was an educational model released in Late 2011 with a core i3 CPU which cannot use this board.
21.5" Apple iMac Aluminum (Thick Edge) Mid 2011
iMac 12,1 A1311 - 2428 Mid 2011
Video Support and Camera
Connections and Expansion