820-2828-A Mid 2011 Apple iMac 27" Logic Board A1312 EMC 2429 | Motherboards | Blackmore IT
Original A1312 Motherboard For iMac 27'' Late 2009 Mid 2010 2011 Logic Board System 2 in 1 PC Replacement Full Tested Mainboard|Computer Cables & Connectors| - AliExpress
Apple iMac 27” Mid 2011 A1312 Logic Board 820-2828-A CPU Not IncludedのeBay公認海外通販|セカイモン
Original Tested A1311 Motherboard 820-2641-a 820-3126-a For Imac 21.5'' Logic Board 639-2347 639-2348 Mid 2011 Year - Laptop Motherboard - AliExpress
mid-2011 imac no power--logic board? | MacRumors Forums