820-2901-A 661-5547 Logic Board 2.80GHz, Intel Core i5 for Mid 2010 iMac A1312 27inch NB-2827W
This is a Logic Board 2.80 Ghz, Quad Core i5 for an iMac 27".
EEE code: DF7Y
Apple part number: 661-5547, 820-2901-A
Compatible models: A1312-Mid 2010-MC511LL/A, 820-2901-A
Compatible Mac info. : 27-inch 2.8GHz i5 iMac, 820-2901-A
661-5547 Logic, 2.80GHz, Board, Intel Core i5 for Mid 2010 iMac A1312 27inch 8202901A