iMac Intel 21.5-inch Aluminium Optical Drive Temp Sensor

Cable with Temperture sensor on one end that sticks on to optical drive and other end with 3 pin connector plugs into logic board. Also used for iMac 21.5-inch Late 2009 & Mid 2010 when installing a generic hard drive that does not have the temperature sensor built inside it. 3-pin logic board cable connector will need to be swapped over from original 2-pin connector or trimmed to fit in logic boards 2 pin socket.