Install memory in an iMac - Apple Support
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
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
How To Upgrade RAM in a Mac | Macworld
Memory Upgrades for Apple iMac 2009 - Up to 32GB
iMac Intel 27" EMC 2639 (Late 2013) Memory Maxxer RAM Upgrade Kit
Is it worth upgrading my ram on a Late 2009 iMac? New iMacs/MacBooks are very pricey. It's currently running on 4GB of RAM & it has a 3.06GHz Intel Core Duo Processor. :
Install memory in an iMac - Apple Support
8GB -2x4GB Memory Ram Upgrade 21.5" Apple iMac 10.1 3.06GHz Core2Duo Late 2009 | eBay
OWC Performance Upgrades for iMac 2010
How I kept my iMac running for a decade | Cult of Mac
Review: Apple's 27" big screen iMac (late 2009) | AppleInsider
16GB Memory Upgrade Kit 2009 Apple Apple iMac
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
OWC 16GB (4 x 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with iMac 21.5" and 27" (October/2009) at Amazon.com
27" iMac Late 2009 A1312 Disassembly RAM SSD Hard Drive Upgrade LCD Screen Glass Replacement Repair - YouTube
Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
A-Tech for Apple 6GB Kit (1x2GB + 1x4GB) DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook (Late 2007, Early 2008, Early 2009), MacBook Pro (Mid 2007, Early 2008), iMac (Mid 2007) - Memory RAM Upgrade at Amazon.com
27" iMac upgrade - ZD Laptop Service Centre
memory - What can be replaced/upgraded in a late-2009 iMac to make it run like a 2014-2016 iMac? - Ask Different
Install memory in an iMac - Apple Support
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
2009 iMac RAM & SSD upgrade in 2023 - YouTube
