How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
Apple: Your iMac's Hard Drive Is Faulty, Come In for Replacement
HOW TO: Replace Intel iMac Hard Drive (and why I won't do that) [VIDEO] - LiewCF Tech Blog
HD Upgrade Kit for all iMac 2011 Models - 33.73EUR - OWCshop
Stayin' Alive: Upgrading the CPU, Hard Drive, and RAM on a 2006 iMac
HD Upgrade Kit for all iMac 2011 Models + Tools - 39.98EUR - OWCshop
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
How to Upgrade iMac Hard Drive or SSD 2012-2020: EveryMac.com
OWC DIY Kit for all Apple iMac 2011 for replacing the main hard drive
2011 imac 27" 32GB - final stage of 1TB + 2TB SSD upgrade (replaced HDD & optic drive). Also cleaned out the fans and case. Running 'SSD Fan Control' & 'Macs Fan
Solving iMac fan noise issue after HDD replacement - CrystalIDEA Blog
OWC DIY Drive Upgrade/Install Kits for Apple iMac Models
iMac / MacBook SSD Upgrade - iCertified | Mac Repair | Hong Kong