CMS 16GB (4X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core I3 3.06 21.5-Inch (Mid-2010) - A28 at Amazon.com
iMac (mid 2010 - early 2019) SSD & Arbeitsspeicher/RAM Upgrade/Aufrüstung | iMac (2010 - 2019) | Mac Upgrade/Aufrüstung | Tronicspot
Timetec 32GB KIT(4x8GB) Compatible for Apple DDR3L 1600MHz PC3L-12800 CL11 for iMac (Mid 2011, Late 2012, Late 2013, Late 2014 Retina 5K, Mid 2015 Retina 5K) SODIMM Memory Module MAC RAM Upgrade at Amazon.com
Apple iMac 2010 Memory 4GB DDR3 1333MHz PC3-10600 204-Pin
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
How to Upgrade the RAM in Your iMac
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Timetec Hynix IC 16GB KIT(2x8GB) Compatible for Apple DDR3 PC3-8500 1067MHz/1066MHz Upgrade for MacBook 13'' Mid 2010, MacBook Pro 13'' Mid 2010, iMac 27''Late 2009, Mac Mini Mid 2010(16GB KIT(2x8GB)) - Newegg.com
Memory RAM Upgrade for Apple iMac 21.5-inch Mid 2010 4GB DDR3 SODIMM | eBay
How (And Why) To Install More RAM In Your iMac
How to upgrade RAM / Memory on a 2010 iMac Core i3 i5 i7 (21.5in & 27in) - YouTube
How To Upgrade RAM in a Mac | Macworld
How I kept my iMac running for a decade | Cult of Mac
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Installing additional SSD in Mid-2010 27" iMac
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET