OWC In-line Digital Thermal Sensor for Hard Drive Upgrade for 27" iMacs 2012 and Later

The only hardware digital thermal sensor on the market allowing a third-party SATA drive to be installed in your iMac
Eliminates fan noise and maintains proper system fan control
Designed specifically for the iMac
Requires no software hacks
Ensures compatibility with Apple's built-in diagnostic processes
1 Year OWC Limited Warranty
Eliminates fan noise and maintains proper system fan control
Designed specifically for the iMac
Requires no software hacks
Ensures compatibility with Apple's built-in diagnostic processes