A WASD controller often has a combination of WASD keys on the left and arcade buttons on the right. Of course, there can be other variations as well.
The Varmilo HA10 is a leverless version of the popular Kassai, and it staggeringly has 18 buttons—plus some blank buttons.
The Ultra Arcade CNC features an aluminum enclosure by SiTong and can feature premium parts from brands like Sanwa and Cherry.
The Beacon offers you many unique benefits that range from Hall effect switches to a charm loop where you can attach a cute little trinket.
The FightBox B-Pro is the head honcho of the B series, given that it's got 17 buttons—a good number to conquer tournaments.
There's no need to travel back in time to 2009 to pick up a brand new TE when you can instead grab Ultra Arcade's replica.
The Qanba Sapphire is a stickless controller with 18 buttons to utilize many fighting game features and mechanics.
If you are looking to get better at fighting games, you may find special interest in the action packed Haute42 C16.
If you order the SE's leverless edition, you get 16 buttons, and if you order the lever edition, you get 11 buttons.