Antwort auf „Can the CPU be user upgraded?”What is with the i3 Quad Core. Can i Upgrade to an i7 or i9? I don’t know it the same with the upper Answers. What Kind of CPU I can Upgrade. For example a i7 8700 or a i7 8700k ? I bought an SSD and a larger Ram and would like to change the CPU right away. My basic configuration is an iMac 4k, 21 inch, i3 quad core, 1TB HDD and 16 Gb Ram. Thank you in advance for your answers.