Mid 2011 Apple iMac 21.5" A1311 i5 2.7GHz 8GB RAM 1TB HD OSX Sierra - DCPS Computer Program
32.0GB OWC Memory Upgrade Kit For 2010-2011 Apple iMac
A-Tech for Apple 8GB Kit 2X 4GB PC3-10600 1333Mhz Mac Mini iMac Mid 2011 Mid 2010 Late 2011 MC508LL/A A1311 MC509LL/A MC510LL/A A1312 MC978LL/A MC816LL/A A1347 MC936LL/A Memory RAM at Amazon.com
CMS 32GB (4X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple®½ iMac 21.5" Intel Core I7 2.8Ghz (A1311) - C12 at Amazon.com
Amazon.com: Genuine New 8X DL SuperDrive Optical Drive Replacement for Apple iMac Mid-2010 A1311 MC508LL/A MC509LL/A MC508 MC509 21.5-Inch Desktop Computer, DVD+-R RW DL DVD-RAM CD-RW Burner Player : Electronics
iMac A1311 21.5” Core i3 3.06GHz 4GB RAM 250GB HDD HD 4670M High Sierra FHD – I.E.T. INDUSTRIAL ANTONIO PRIETO – SINCELEJO, SUCRE
Install memory in an iMac - Apple Support
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