iMac Mid 2011 SSD upgrade without Temp Sensor mod - IT WORKED - YouTube
iMac Hard Drive Upgrade to SSD - Your local Apple Repair Specialists
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
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SOLVED: HDD Temperature sensor gone in 2011 iMac? - iMac Intel 21.5" EMC 2428 - iFixit
How to Upgrade iMac Hard Drive (2009, 2010, 2011): EveryMac.com
SOLVED: HDD Temperature sensor gone in 2011 iMac? - iMac Intel 21.5" EMC 2428 - iFixit
2011 27" iMac SSD upgrade + fan speed - Whats the current consensus? | MacRumors Forums