How-To: Boost your Mac's speed and prolong its useful life with easy RAM upgrades - 9to5Mac
imac - Getting 3 beeps on restart after RAM install... is the RAM really bad? - Ask Different
iMac Intel 21.5" EMC 2428 RAM Replacement - iFixit Repair Guide
iMac Intel 24" EMC 2267 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
How To Upgrade RAM in a Mac - Macworld UK
Install memory in an iMac - Apple Support
Memory Upgrades for Apple iMac 2009 - Up to 32GB
Can you upgrade the RAM in the 27-inch iMac? | iMore
iMac (2009) RAM & Storage Upgrades
Install memory in an iMac - Apple Support
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
iMac Intel 27" EMC 2374 (Late 2009) Memory Maxxer RAM Upgrade Kit - iFixit Store
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
How to Install RAM in an iMac: 5 Steps (with Pictures) - wikiHow
Install memory in an iMac - Apple Support
8GB -2x4GB Memory Ram Upgrade 20" Apple iMac 9.1 2.66GHz Core 2 Duo Early 2009 | eBay
How to Install RAM in an iMac: 5 Steps (with Pictures) - wikiHow
5 Things to Know Before Upgrading Your 2009 or Later iMac
Install memory in an iMac - Apple Support
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
Benefits from RAM upgrade to Late 2009 iMac | MacRumors Forums
