2011 iMac SSD Upgrade with Thermal Sensor w/ resetting NVRAM Tutorial no steps skipped - YouTube
iMac Intel 21.5" and 27" (Mid 2011) SSD Temperature Sensor
iMac HDD Thermal Sensor Bypass - LogiWiki
OWC In-line Digital Thermal Sensor for 27" & 21.5" iMac (2011) - Macfixit Australia
hard drive - What's the difference between OWC's HDD/SSD thermal sensor(s) vs shorting the pins/using an ODD thermal sensor/replacing with a bipolar transistor? - Ask Different
iMac HDD Thermal Sensor Bypass - LogiWiki
OWC In-line Digital Thermal Sensor, Temperatursensor für iMac 2009-2010
OWC Inline-HDD-Upgrade-Kabel für den digitalen Thermosensor für iMac 2011: Amazon.de: Computer & Zubehör
1.0TB OWC 6G SSD and HDD Kit for 2009 - 2010 iMac
iMac Intel 21.5" and 27" (Late 2009-Mid 2010) SSD Temperature Sensor
iMac Intel 21.5" and 27" (Late 2012-Early 2019) SSD Temperature Sensor
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac