Apple iMac 21.5-inch Mid-2011 2.5GHz Intel Core i5 (MC309LL/A) – UNICOM, Inc.
Install memory in an iMac - Apple Support
How to upgrade RAM / Memory on a 2010 iMac Core i3 i5 i7 (21.5in & 27in) - YouTube
iMac Intel 27" EMC 2429 RAM Replacement - iFixit Repair Guide
A-Tech 32GB (4x8GB) RAM for Apple iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
Apple - iMac (21.5-inch, Mid 2011) i5, 8GB, 256GBSSD, High Sierra- Ref – Ordinateur St Joseph
Amazon.com: Timetec 32GB KIT(4x8GB) Compatible for Apple DDR3 1333MHz PC3-10600 CL9 for iMac (Mid 2010 27 inch, Mid 2011 21.5/27 inch) SODIMM Memory Module MAC RAM Upgrade for iMac 11,3 / iMac 12,1 / iMac 12, 2 : Electronics
Timetec Hynix IC 16GB KIT(2x8GB) Compatible for Apple DDR3 1333MHz PC3-10600 for Early/Late 2011 13/15/17 inch MacBook Pro, Mid 2010 Mid/Late 2011 21.5/27 inch iMac, Mid 2011 Mac Mini(16GB KIT(2x8GB)) - Newegg.com
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
32.0GB OWC Memory Upgrade Kit For 2010-2011 Apple iMac
Mid 2011 Apple iMac 21.5" A1311 i5 2.7GHz 8GB RAM 1TB HD OSX Sierra - DCPS Computer Program
Timetec Hynix IC 32GB KIT(4x8GB) Compatible for Apple 27 inch Mid 2010 21.5/ 27 inch Mid 2011 iMac DDR3 1333MHz PC3-10600 CL9 204 Pin SODIMM Upgrade for iMac 11,3 iMac 12,1 iMac 12, 2 (32GB KIT(4x8GB)) - Newegg.com
Install memory in an iMac - Apple Support
Apple iMac 27-inch 2.7GHz Quad-core i5 (Mid 2011) MC813LL/A 8GB RAM 1TB HDD | eBay
iMac Intel 21.5" EMC 2428 (Mid 2011) Memory Maxxer RAM Upgrade Kit
32GB (4X8GB) RAM Memory 4 Apple iMac "Core i5" 2.7 21.5-Inch (Mid-2011) C12 | eBay
NEMIX RAM 32GB (4x8GB Upgrade) DDR3-1333 PC3-10600 204-Pin SODIMM Memory for Apple MacBook Pro Early/Late 2011, iMac Mid 2010 27 inch 4-Core, iMac Mid 2011 21.5/27” , Mac Mini Mid 2011 at Amazon.com
How (And Why) To Install More RAM In Your iMac
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
Apple Launching Pilot Program Allowing Repairs of Soon-to-Be Vintage Mid 2011 iMac in United States - MacRumors
