Install memory in an iMac - Apple Support
Apple iMac 21.5" All-in-One Desktop Computer i3 3.07GHz 4GB Ram 500GB Mac OS High Sierra w/ Keyboard & Mouse - GRADE B
Late 2013 iMac review: Faster than before, but the gains over previous models are modest | Macworld
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Timetec 16GB KIT(4x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 Dual Rank for iMac (Late 2009 21.5-inch / 27-inch) SODIMM Memory MAC RAM Upgrade for iMac 10,1 and iMac 11,1 at Amazon.com
Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
iMac 21.5-inch (Late 2009) Core 2 Duo 3.06GHz - HDD 500 GB - 4GB | Back Market
How to Upgrade the RAM in Your iMac
iMac Intel 21.5" and 27" (Late 2009-Mid 2010) SSD Upgrade Kit
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Install memory in an iMac - Apple Support (NZ)
A-Tech 32GB (4 x 8GB) PC3-8500 DDR3 1066/1067 MHz RAM for iMac Late 2009 27- inch (Quad-Core i5/i7) | 204-Pin SODIMM Max Memory Upgrade Kit at Amazon.com
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
A-Tech 16GB (4 x 4GB) PC3-8500 DDR3 1066/1067 MHz RAM for iMac Late 2009 21.5-inch / 27-inch | 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
Apple iMac A1418 21.5 Inch Late 2012 Intel Core I7 3.1 GHz 8GB Ram 1TB Catalina | eBay
iMac RAM Memory Installation 2009 2010 2011 21 5" Apple Dollars #13 - YouTube
Install memory in an iMac - Apple Support (SG)
21.5-inch or 27-inch iMac (Mid 2011) Memory Installation iMac12,1 iMac12,2 - YouTube
iMac "Core i5" 2.7GHz 21.5-Inch (Late 2012) - MacUpgrades.co.uk
apple-history.com / iMac (Late 2009)
Apple 21.5" iMac All in One Desktop Computer Core i5 8GB Ram 500GB HD OS High Sierra and WIFI Keyboard And Mouse - GRADE B
iMac 21.5-Inch "Core i5" 2.5 (Mid-2011) Specs (Mid-2011, MC309LL/A, iMac12,1, A1311, 2428): EveryMac.com
