Apple doesn't want you to work on their hardware, so they left the PSU exposed in the iMac. Touch it and you'll get shocked. : r/assholedesign
Power Supply for Apple iMac 20"" A1115 A1224 voeding [SPSU-ADP-170AFN] Refurbished" | Topmedia BV
Genuine Apple 27" iMac Pro A1862 Power Supply || AcBel APG003 || P/N 6 - Part Haven
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1pcs New 661-08944 APG003 Apple iMac Pro A1862 Power Supply 500W Model Late 2017 | eBay
Amazon.com: ICTION New 185W PSU A1418 Power Supply Board for Apple iMac 21.5" A1418 Late 2012 Early 2013 Mid 2014 Late 2015 Year : Electronics
Mac Pro A1289 - Power Supply Replacement (2009-2012) - YouTube
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661-08944 Apple Power Supply for iMac Pro 27" 2017 370W A1862 - NEW
A1419 A2115 PSU Power Supply for iMac Pro 27" A1419 A2115 ADP-300AF T PA-1311-2A 2012-2017 Early2019 Power Supply PSU Adapter | Lazada PH
A1418 A2116 PSU Power Supply for iMac Pro 21.5" A1418 A2115 APA007 ADP-185BF 2012-2017 Early2019 Power Supply PSU Adapter
Laptop Interne Power Board Voor Apple Imac Pro 27 Inch A1862 500W Power Board APG003 Universele ADP-500AF Psu Board - AliExpress
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Alimentation iMac Pro 27" 5K (370W) A1862 (2017)
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i5 New A1419 Power Supply for Apple iMac 27" A1419 Power Supply, Mac Os
A1419 Power Supply (300W) for Apple iMac 27 inch Retina A1419 (Late 2012- Late 2017) - MacWave
iMac 27 inch A1312 power supply ADP-310AFN - Macparts
Laptop Interne Power Board Voor Apple Imac Pro 27 Inch A1862 500W Power Board APG003 Universele ADP-500AF Psu Board - AliExpress
Power Supply (300W) for iMac 27" A2115 (Early 2019, Mid 2020)
Alimentation Power Supply Mac Pro (450W) A1481 (2013)