Name Sculpted Top Height Cherry Yes Cylindrical Low-to-medium OEM Yes Cylindrical Medium SA Yes Spherical Tallest DSA No Spherical Low XDA No Mostly Flat Low-to-medium There are many factors that influence the acoustics of a mechanical keyboard: the materials of the board (metal or plastic), whether there are sound dampeners or other intermediate layers, the choice of key switch, and the properties of the underlying desk. If you are used to typing on a laptop that typically has uniformly shaped keys, then consider XDA as a first choice or a lower height sculpted profile like Cherry.