Catalina 10.15.3 running decent on my mid 2009 iMac. Gonna max out the RAM to 8GB. 🤗 : r/CatalinaPatcher
Apple iMac 21.5" Desktop Computer Core 2 Duo 3.06GHz 4GB Ram 500GB Mac OS El Capitan MB950LL/A
Apple iMac "Core i5" 2.66 27-Inch (Late 2009) Quad Core - Imagine41
Install memory in an iMac - Apple Support (PH)
Max RAM for my iMac 27" (late 2009) | MacRumors Forums
iMac Intel 27" Late 2009 EMC 2309 - used original spareparts for Macs
iMac 27" 3.06GHz (Late 2009) | mac of all trades
iMac "Core 2 Duo" 2.0 20" (Mid-2009) Specs (Mid-2009 (Edu), MC015LL/A, iMac9,1, A1224, 2266): EveryMac.com
iMac "Core 2 Duo" 3.06 27" (Late 2009) Specs (Late 2009, MB952LL/A, iMac10,1, A1312, 2309): EveryMac.com
Install memory in an iMac - Apple Support (PH)
Memory Upgrades for Apple iMac 2009 - Up to 32GB
How I kept my iMac running for a decade | Cult of Mac
iMac "Core 2 Duo" 3.06 21.5" (Late 2009) Specs (Late 2009, MB950LL/A*, iMac10,1, A1311, 2308): EveryMac.com
How to Upgrade the RAM in Your iMac
iMac 21.5" 3.06GHz C2D/4GB/256GB/Late 2009 - MacEnthusiasts
Sold - 27" iMac Late 2009 // $295 - Boulder Mac Repair
Late 2009 Core i5 & i7 iMacs OWC MaxRAM Certified To 32GB Of Memory
Apple iMac 21.5 2009 3.06Ghz UPGRADE 8GB-RAM 1TB-HDD DVD OS10-15-7 One-owner Box | eBay
iMac (27-inch, 3.06GHz Intel Core 2 Duo, Late 2009) | iGotOffer
A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz SODIMM PC3-12800 204-Pin SO-DIMM Max Memory Upgrade at Amazon.com
Late 2009 iMac RAM Upgrade - iMac (Late 2009) Memory Upgrade
iMac Intel 21,5" Late 2009 EMC 2308 - used original spareparts for Macs
Apple iMac "Core i5" 2.66 27-Inch (Late 2009) Quad Core - Imagine41
Vintage: Apple iMac 20-inch 2.26GHz Core 2 Duo (Mid 2009) 4GB RAM 160GB HDD | eBay
Should I upgrade my Intel E7600 CPU for an E8600 in my iMac 27" late 2009? - Ask Different
