Here is the list of Mac hardware compatible with its Operating System:
macOS Sequoia is compatible with these computers
macOS Sonoma is compatible with these computers
Mac Compatible Hardware List
Backup your machine
Your Hard Drive will fail, even the SSD as for a time frame anything from the warranty of the machine to 10 years later. I personally have hard drives which have been working now coming on to 12 years. (I hope I have not jinxed that) With that vital piece of information you should be looking at how you backup your computer whether its a laptop or a iPad. Now we break down what are the options.