820-2641-A Apple iMac 21.5" A1311 (EMC:2428 Mid-2011) Logic Board | Motherboards | Blackmore IT
661-5937 Logic Board 2.8 GHz for iMac 21.5 inch Mid 2011 A1311 MC309LL/A (820-2641-A) | Apple computer, Imac, Logic board
Amazon | 661 – 5948 Apple iMac 27 " mid-2011 AIOインテルマザーボードs115 X | Apple(アップル) | マザーボード 通販
661-6024 - Apple i3 3.1GHz Dual-Core CPU Logic Board (Motherboard) for iMac 21.5-inch Late 2011
Original Tested A1312 Motherboard 820 2828 A For iMac 27'' Logic Board 661 5948 Mid 2011 Year 100% Work Well|motherboard motherboard|motherboard test2011 motherboard - AliExpress