IMac 21.5" Aluminium 3.06 Ghz Late 2009 MB950LL/A,MC413LL/A - A1311. 3.33 Ghz Late 2009 A1311. 3.06 Ghz i3 Mid 2010 MC508LL/A - A1311. iMac 27" Aluminium 3.06 Ghz Late 2009 MB952LL/A - A1312. 3.2 Ghz i3 Mid 2010 MC509LL/A - A1311.
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