4.0TB HDD Upgrade Kit
For All 2012 and later 27" iMac models
Complete Kit including Thermal Sensor, Tools
and 4.0TB Toshiba MD04ACA Series HDD
Upgrade with Confidence!
Improve Performance and Capacity
OWC's in-line solution is the only hardware digital thermal sensor on the market allowing a third-party SATA drive to be installed in your iMac. A convenient, plug-and-play cable, the In-line Digital Thermal Sensor eliminates fan noise and maintains proper system fan control through the iMac's System Management Controller. This innovative device is designed specifically for the iMac, requires no software hacks and ensures compatibility with Apple's built-in diagnostic processes.