These days they are known as 'mechanical keyboard'
But most dun have the large 'return/enter key'

Look up 'mechanical keyboard' and if not mistaken also there is a forumer selling it here in the LYN garage sales.

I have a 20plus years old Apple keyboard but the connection is not suitable for modern computer.
Yup damn bloody solid and heavy, built like a tank!

Ahhjhhh the ketak ketak sounds while playing sf2 in ms-dos multiplayer with my brother in a single keyboard