This adapter is for 27" iMacs 2012 onward, and is compatible with the following Here's what the OWC website says 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.
The OWC In-Line Thermal Sensor is ideal for users aiming to improve the performance of their 27" iMacs (2012+) by monitoring and cooling the hard drive, potentially boosting system responsiveness and enhancing overall system efficiency.
