IMC2 Compatible VESA Adapter - Mount iMac 21.5" & 27" (2012-2020) to a Mmonitor Arm Bracket : Amazon.co.uk: Computers & Accessories
Tether Tools Rock Solid VESA Stand Adapter for iMac VADPT07 B&H
NEW 923-0424 Apple VESA Mounting Bracket for iMac 27" Late 2013 -2020 | eBay
Installed a vesa mount to my wives 2012 27” iMac! : r/mac
21 or 27 Imac Ergonomic Mount Installation Instructions without a VESA mount - YouTube
PureMounts - VESA Adapter für Apple iMac und Cinema Display bis 27" Zoll, VESA 75x75,Weiß : Amazon.de: Elektronik & Foto
iMac 27" late 2013 stand modified | MacRumors Forums
iMac 27" late 2013 stand modified | MacRumors Forums
NewerTech® : Computer Accessories and Upgrades : NuMount iMac VESA
NEU 923-0421 Apple VESA Halterung für iMac 21,5" Anfang 2013-Mitte 2014 | eBay
VESA Adapter für iMAC 24" 27" (bis 2013) VA-MAC | RICOO
Apple VESA Mount Kit - iMac 21.5″ A1418 (2012-2014)
Amazon.com: VIVO Adapter VESA Mount Kit, Bracket Set for Apple 21.5 inch and 27 inch iMac, Late 2009 to 2020 Models, LED Display Computer, Stand-MACB : Electronics