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
HD Upgrade Kit for all iMac late 2009 - mid 2010 Models - 33.47EUR - OWCshop
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
iMac Mid 2011 SSD upgrade without Temp Sensor mod - IT WORKED - YouTube
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
iMac Intel 21.5" and 27" (Late 2009-Mid 2010) SSD Temperature Sensor - iFixit