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. :
How to Upgrade the RAM in Your iMac
memory - What can be replaced/upgraded in a late-2009 iMac to make it run like a 2014-2016 iMac? - Ask Different
Apple Mac mini (Late 2009)-Upgrade to 8GB RAM/256GB SSD/Mavericks 10.9.1 (GR) - YouTube
Install memory in an iMac - Apple Support
Apple iMac 2009 (Late) Core 2 Duo 3.06Ghz 21.5-inch (iMac 10,1) SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
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 : Amazon.ca: Electronics
Imac Late 2009 Ram Upgrade Cheap Sale, GET 59% OFF, www.islandcrematorium.ie