Chosen Solution
@danj - I have a 27” iMac late 2012 that I’m swapping out the OEM SATA III 3.5" HDD for a 2.5" SSD and have upgraded the macOS to Monterey [using OpenCore legacy patcher]. Would you expect that latest version of macOS to be intelligent about recognizing the HDD has been changed to a SSD and operate fans appropriately without a sensor in place or need for 3rd party fan control application?
@myusrn olk - Sorry, the OS has nothing to do with it! Its the SMC logic which monitors the systems thermals, basically its the computer within your computer! You’ll need the adapter and don’t waste your money on the software solutions as they won’t work properly.
