820-2733-A 661-5429 Late 2009 A1312 Logic Board - 27 inch 2.66 GHz i5 iMac NB-2821W
This is a replacement 2.66GHz Core i5 logic board for the Late 2009 27-inch iMac.
EEE code: BA1
Apple part number: 661-5429, 820-2733-A
Compatible models: A1312-Late 2009-MB953LL, 820-2733-A
Compatible Mac info. : 27-inch 2.66GHz i5 iMac, 820-2733-A
661-5429 Late 2009 A1312 Logic Board - 27 inch 2.66 GHz i5 iMac 8202733A