Further Explained: Apple's iMac 2011 Model Hard Drive 'Restrictions'
Diagnosing iMac Fan Speed Issues After Upgrading Hard Drive
iMac replacement Temperature Sensor
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 HDD Upgrade Cable for iMac 2011
2011 iMac SSD Upgrade with Thermal Sensor w/ resetting NVRAM Tutorial no steps skipped - YouTube
Diagnosing iMac Fan Speed Issues After Upgrading Hard Drive
imac 21.5 hdd temperature sensor help!!! | MacRumors Forums
OWC DIY Kit for all Apple iMac 2011 for replacing the main hard drive
iMac Intel 21.5" and 27" (Late 2012-Late 2015) SSD Temperature Sensor - iFixit Store
New Hard Drive Temperature Sensor Cable For Imac A1312 4 Pins Ssd Temperature Cable 27 Inch 2009-2010 593-1033 - Computer Cables & Connectors - AliExpress
SOLVED: HDD Temperature sensor gone in 2011 iMac? - iMac Intel 21.5" EMC 2428 - iFixit