820-2641-A 661-5935 Logic Board, 2.5 GHz, Quad-Core i5 - 21.5 inch Mid 2011 - A1311 iMac NB-3135W
This is a replacement 2.5GHz logic board for the 21.5" iMac released in Mid 2011. The processor is NOT included.
EEE code: DJWK,DM66,DNJK
Apple part number: 661-5935, 820-2641-A
661-5935, 820-2641-A Logic Board, 2.5 GHz, Quad-Core i5 - 21.5 inch Mid 2011 - A1311 iMac 8202641A