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
SVALT Product Recommendations for Cooling Apple and PC Laptops
Review: 27-Inch iMac 5K with i5 processor - 2012 on the outside, 2019 on the inside | AppleInsider
Apple iMac 27-Inch (Late 2012)
Amazon.com: Odyson - Cooling Fan Replacement for Apple iMac 27" A1419 (Late 2012-Mid 2017) : Electronics
iMac Intel 27" (Late 2012-Late 2015) Fan
Apple iMac 27" A1419 Late 2012 2013 CPU Cooling Fan 610-0145 OEM Genuine Working | eBay
Professional Ventilator Design Open Sourced Today By Medtronic | Hackaday
Apple iMac 27" A1419 Late 2012 2013 CPU Cooling Fan 610-0145 | eBay
A1419 Apple iMac 27" CPU Cooling Fan Late 2012 Late 2013
Autopsy shows 27-inch iMac is positively austere on the inside | Ars Technica
Apple iMac 27" A1419 Late 2012 2013 CPU Cooling Fan 610-0145 | eBay
How To Replace the Fan in a 27” iMac (Late 2012) - YouTube