https://www.ubergizmo.com/2018/04/intel-core-i9-processors-launched-for-laptops/
Intel Core i9 Processors Launched For Laptops | Ubergizmo
The first Core i9 processors were announced by Intel for desktops last year. The top-of-the-line option was for those who needed the extra firepower...
intel core i9 processorsfor laptopslaunchedubergizmo
https://www.notebookcheck.net/The-21-5-inch-iMac-unofficially-supports-up-to-Intel-Core-i9-processors-surpasses-the-24-inch-iMac-with-an-Apple-M1-SoC.544036.0.html
The 21.5-inch iMac unofficially supports up to Intel Core i9 processors; surpasses the 24-inch iMac...
A YouTuber has demonstrated that it is possible to upgrade the older 21.5-inch iMac way beyond Apple's official supported hardware. Unsurprisingly, the...