There are three main types of mechanical switches: clicky, linear, and tactile. Here are examples and sound tests of a variety of each kind. Clicky Vs Tactile Vs Linear Mechanical Keyboard Switches ...

Linear switches typically have a reset point very close to their actuation point, allowing for "floating" techniques where you keep keys hovering near activation.

Clicky or Quiet: No Bad Choice The Razer Huntsman Mini’s clicky and linear optical versions are all about preference — they’re equally impressive when it comes to actual gaming performance.