820-3298-A 661-7156 2.9 GHz Logic Board for iMac 27 Late 2012 MD095LL MD096LL A1214 NB-4679W
This is a replacement 2.9GHz Quad-core i5 logic board with 512MB GDDR for the Late 2012 iMac 27".
Apple part number: 661-7156, 820-3298-A
iMac 27 Late 2012 MD095LL MD096LL A1214 820-3298-A
661-7156 2.9 GHz Logic Board for iMac 27 Late 2012 MD095LL MD096LL A1214 8203298A