Apple WD 1TB 3.5" 7200RPM - iMac 21.5" A1311, 27" A1312 2009, 2010, 2011

1TB SATA 3.5" hard drive that was originally included in the Apple iMac 21.5" model A1311 and 27" model A1312. iMac9,1 Early 2009: MB420LL/A (3.06 GHz Core 2 Duo)iMac 27" A1312. iMac9,1 Edu Mid 2009: MC015LL/C (2.26 GHz Core 2 Duo)iMac 21.5" A1311.

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