Upgrading Apple iMac 2011 27 Hard Drive to SSD, Huge Improvement - YouTube
Speicher RAM Upgrade für Apple iMac 27-inch Mittelhoch 2011 4GB/8GB DDR3 SODIMM | eBay
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
Cracking Open the 27" Apple iMac (2011) | TechRepublic
OWC Inline-HDD-Upgrade-Kabel für den digitalen Thermosensor für iMac 2009-2010: Amazon.de: Computer & Zubehör
Amazon.com: OWC SSD Upgrade Kit for 2011 21.5-inch iMacs, Mercury Electra 250GB 6G SSD, 18" SATA III 6Gbps Data Cable, Installation Tools and iMac Screen Adhesive Tape Set : Electronics