OWC in-Line Digital Thermal Sensor HDD Upgrade Cable for iMac 2011, (OWCDIDIMACHDD11)
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
OWC in-Line Digital Thermal Sensor HDD Upgrade Cable and Install Tools for iMac 2009-2010, (OWCDIYIMACHDD09) : Electronics - Amazon.com