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
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
2011 IMAC SAMSUNG 1TB 850 PRO SSD UPGRADE - YouTube
TB® Replacement For iMac 27" A1312 SSD Drive SATA Data Power HDD Cable Model Year Mid 2011 Part Number 922-9875/593-1330 Comes with One Year warranty by Laptop-parts2go: Amazon.co.uk: Computers & Accessories
Install 3 hard drives on iMac 2011 27" FAILED ... | MacRumors Forums
iMac Hard Drive Upgrade to SSD - Apple iPhone iPad Mac Repairs Medway Kent
OWC DIY Drive Upgrade/Install Kits for Apple iMac Models
How can i choose to boot from the second SSD harddisk for a mid 2011 iMac? - Ask Different