The 21.5-inch iMac unofficially supports up to Intel Core i9 processors; surpasses the 24-inch iMac with an Apple M1 SoC - NotebookCheck.net News
Intel i9-9900K Core 8-Core 3.6 GHz Processor at MacSales.com
Core i9-10900K in a 27-inch iMac: Intel and Apple could combine to offer the world's fastest gaming processor in a refreshed all-in-one - NotebookCheck.net News
Refurbished 27‑inch iMac, 3,6‑GHz 10‑core Intel Core i9 met Retina 5K-display, 10 GB Ethernet, glas met nanotextuur - Apple (NL)
Apple iMac (27-inch, 3,7‑GHz 6‑core Intel Core i5 van de 9e generatie, 8 GB RAM, 2 TB) : Amazon.nl: Elektronica
Apple iMac 27-Inch (2020) Review | PCMag
Vergelijk Apple iMac 24" (2021) en Apple iMac (2020) - Coolblue - alles voor een glimlach