820-2828-A 661-5948 2.7 GHz, Logic Board i5 820-2828 A1312 iMac Mid 2011, 27 NB-2828W
This is the 2.7 GHz Quad-core i5 Logic Board for the 27" iMac released in Mid 2011.
EEE code: DJWM,DMT3,DMT5
Apple part number: 661-5948, 820-2828-A
661-5948, 820-2828-A 2.7 GHz, Board, Logic, Quad-Core i5 - A1312 iMac Mid 2011, 27 inch 8202828A