Install memory in an iMac - Apple Support
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
Install memory in an iMac - Apple Support
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
iMac "Core 2 Duo" 3.06 21.5" (Late 2009) Specs (Late 2009, MB950LL/A*, iMac10,1, A1311, 2308): EveryMac.com
Install memory in an iMac - Apple Support
Timetec 4GB Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 Dual Rank for Mac Book, Mac Book Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) SODIMM Memory MAC RAM
Late 2009 Core i5 & i7 iMacs OWC MaxRAM Certified To 32GB Of Memory
Memory Upgrades for Apple iMac 2009 - Up to 32GB
Install memory in an iMac - Apple Support
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
Vintage: Apple iMac 20-inch 2.26GHz Core 2 Duo (Mid 2009) 4GB RAM 160GB HDD | eBay
Apple iMac 3.0Ghz Core 2 Duo 21.5-Inch (Late-2009) *No HDD/RAM* – MSU Surplus Store
Install memory in an iMac - Apple Support
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
iMac "Core 2 Duo" 3.06 27" (Late 2009) Specs (Late 2009, MB952LL/A, iMac10,1, A1312, 2309): EveryMac.com
Buy Used & Refurbished Apple iMac 27" Core i5-3470S Quad-Core 2.9GHz All-In-One Computer - 8GB 1TB GeForce GTX 660M (Late 2012) - Computers & Electronics
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
iMac (2007-2009) Memory Installation Video - YouTube
Apple iMac 20-inch Educational July 2009 2GHz Intel Core 2 Duo (MC015LL/A) | eBay
Memory Upgrades for Apple iMac 2009 - Up to 32GB
iMac Intel 27" EMC 2374 (Late 2009) Memory Maxxer RAM Upgrade Kit
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
Install memory in an iMac - Apple Support
Memory Upgrades for iMac w/ Retina 5K Display Late 2015
Catalina 10.15.3 running decent on my mid 2009 iMac. Gonna max out the RAM to 8GB. 🤗 : r/CatalinaPatcher
