Not all M1 iMacs are built the same: Potential buyers of the 2021 Apple iMac 24 should be aware of the cooling system differences that could affect performance - NotebookCheck.net News
A1419 apple iMac 27" - CPU Cooling Fan Late 2012 Late 2013 - 610-0145 - 923-0302 - TEKDEP
2010 iMac 27" - replace optical drive with slot fan to quietly lower temps? | tonymacx86.com
Flashy fan-made Apple iMac Pro 2021 renders accompany new claims about the potential future M-based workstation - NotebookCheck.net News
LFC#74 - Replacing iMac Fans - YouTube
5K iMac vs. iMac Pro: The pro's silent fans made a fan out of me - MacDailyNews
Apple Genuine 923-0302 CPU Cooling Fan for iMac 27 inch Late 2012 2013 Retina 5K 2014 Mid 2015 2017 2019 2020
Single-fan vs dual-fan iMac 24: M1 Apple Silicon's performance potential in 7-core base model spoiled by thermal throttling in benchmark battery - NotebookCheck.net News