Das Keyboard 4 ultimate is a completely blank mechanical keyboard with best-in-class, Cherry MX Blue switches that have a click tactile bump when the activation point is hit. The combination of tactile feel, The psycho-acoustic experience and incredible craftsmanship all deliver an experience like no other. Features include a new SuperSpeed USB 3.0 hub, NKRO, dedicated media controls, and more. The most advanced mechanical keyboard on the market today.