Dude, think about it; what your saying there implies that when I'm sat in my car I am a Ford...
A case is not "hardware", and does not define the actual computer within; you could wire-up all the components that have been removed from that old iMac on a table & they'd still work (well, assuming the iMac worked before being gutted)... The point stands, it's those "guts" which are what defines the computer, not the case.
Shop for your Apple, Mac, iPhone and other computer products on Amazon.
We are a participant in the Amazon Services LLC Associates Program, an affiliate program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.