Apple Computer , iMac 21.5 inch 3.2/3.06 GHz Core i3 (i3-540, i3-550), iMac 21.5 inch Core i5 3.06 GHz Core i5 (i5-680), iMac 27-inch 2.8/3.2/3.6 GHz Core i3 (i3-760, i3-550, i3-680), Order Number, MC508LL/A, MC510LL/A, Model Number, A1311, A1312, Part Name, Wireless Board, Manufacture Part Number, 593-1231, EMC Number, EMC 2389, EMC 2390, EEE Code, N/A, Compatible Apple Computer, iMac (21.5-inch, Mid 2010), iMac (27-inch, Mid 2010), , Order you product here: 922-9369 Wireless Card for iMac 21.5 & 27 inch Mid 2010 A1311, A1312 MC508LL/A, MC510LL/A, 922-9369
source http://info.applepartsellers.com/922-9369-wireless-card-for-imac-21-5-27-inch-mid-2010-a1311-a1312-mc508ll-a-mc510ll-a
