An EXT port is often a USB-A port where you can insert an adapter, converter, or dongle and make your controller compatible with more consoles.
The HauteBox One is a wireless split-layout controller with lever and leverless modules that are interchangeable.
The Mixbox 2 improves upon the first Mixbox by having three layouts in one: WASD, leverless, and hitstick layouts.
The Haute42 W-P1 is a sloped controller with an optional wireless connection, and it is available in white as well.
Compared to its predecessor, one of the BHT2's right thumb buttons has been repositioned, and its left thumb button became circular.
The Alpenmeister TE's Hall effect switches allow you to adjust the button sensitivity, and there are also D-pad buttons near the aux buttons.
If you don't like the Aolion Apex's ultra-low profile switches, you can simply swap them out with the included low profile switches.
The Slider by Junkfood Custom Arcades is a modular controller with innovative layouts that include a fightstick layout.
The Vilcorn Y03 is a leverless replica of the FlexStrike, and you can enjoy its 15-button split layout with a wired or wireless connection.