607-7211 661-5979 Card, AirPort - 27 inch Mid 2011 - A1312 iMac NB-2936W
This is a replacement airport wireless card for the 21.5-inch and 27" iMac released in Mid 2011.
EEE code: DDV3
Apple part number: 661-5979, 607-7211
661-5979 Card, AirPort - 27 inch Mid 2011 - A1312 iMac 6077211